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1.  Biliary peritonitis due to “fallen” hydatid cyst after abdominal trauma 
Hepatic hydatid cysts may cause serious complications. Intraperitoneal rupture of hepatic hydatid cyst is rarely seen and the prognosis can be fatal. By experience, we know that it might be difficult to diagnose an unruptured cyst expulsed into the peritoneal cavity. In this report, we present the case of a 54-year-old man with an intraperitoneal cystic mass of 10 cm of diameter which had extruded out from the liver due to a blunt abdominal trauma.
doi:10.4103/0974-2700.41791
PMCID: PMC2700568  PMID: 19561943
Biliary peritonitis; “fallen” hydatid cyst; trauma
2.  Spontaneous Intraperitoneal Rupture of a Hepatic Hydatid Cyst 
International Surgery  2012;97(3):245-248.
Hydatid cysts, which are endemic to certain areas, typically are found in the liver. Spontaneous intraperitoneal rupture, which can be life threatening, is rare. This article presents a case of spontaneous rupture of a hydatid cyst in a 69-year-old woman who was admitted to the emergency department. The patient had no history of trauma. Abdominal ultrasonography and computed tomography suggested rupture of a hydatid cyst. The patient underwent a partial cystectomy, and the cystic area was washed with hypertonic saline and the peritoneal cavity was washed with isotonic saline and drained. Postoperatively, the patient was treated with albendazole for 3 months. No additional pathology was observed at the 3-, 6-, and 9-month follow-ups. Although rare, a ruptured hydatid cyst should be considered in the differential diagnosis of the acute abdomen in a patient residing in an endemic area.
doi:10.9738/CC96.1
PMCID: PMC3723219  PMID: 23113854
Liver; Hydatid cyst; Spontaneous rupture
3.  Management of a ruptured hydatid cyst involving the ribs: Dealing with a challenging case and review of the literature 
Introduction
Hydatid liver cysts can rupture into neighboring structures in 15–60% of patients, and most often involves the bile duct, the bronchi, and the peritoneal/pleural cavities. Rarely, chest or abdominal wall involvement occurs that are challenging to manage. This case report and literature review describes the management of patients with chest wall and rib invasion.
Presentation of case
A 74-year-old woman, of Spanish origin, presented with right upper quadrant abdominal pain and tender localized swelling. On computer tomography (CT) assessment, the rupture of a hydatid cyst into the right anterior chest wall was identified. Partial involvement of the 10th and 11th rib were noted. The diagnosis was confirmed by a serological test. Surgical treatment involved a radical en bloc right hepatic resection together with resection of the involved ribs, diaphragm and subcutaneous tissue. Primary diaphragm and wall closures were performed. The postoperative course was uneventful with three weeks of albendazole treatment. CT follow-up at six months demonstrated the absence of recurrence.
Discussion
Complete resection is the gold standard treatment of patients with hydatid cysts with the aim to remove all parasitic and pericystic tissues.
Conclusion
The present report illustrates that an aggressive surgical en bloc resection is feasible and should be preferred for the treatment of hydatid cysts with rupture into the chest wall, even when the ribs are involved.
doi:10.1016/j.ijscr.2012.03.010
PMCID: PMC3356538  PMID: 22503916
Hydatid; Rib; Liver
4.  Surgical management of complicated hydatid cysts of the liver 
AIM: To review the clinical presentation and surgical management of complicated hydatid cysts of the liver and to assess whether conservative surgery is adequate in the management of complicated hydatid cysts of liver.
METHODS: The study was carried out at Sher-i-Kashmir Institute of Medical Science, Srinagar, Kashmir, India. Sixty nine patients with hydatid disease of the liver were surgically managed from April 2004 to October 2005 with a follow up period of three years. It included 27 men and 42 women with a median age of 35 years. An abdominal ultrasound, computed tomography and serology established diagnosis. Patients with jaundice and high suspicion of intrabiliary rupture were subjected to preoperative endoscopic retrograde cholangiography. Cysts with infection, rupture into the biliary tract and peritoneal cavity were categorized as complicated cysts. Eighteen patients (26%) had complicated cysts and formed the basis for this study.
RESULTS: Common complications were infection (14%), intrabiliary rupture (9%) and intraperitoneal rupture (3%). All the patients with infected cysts presented with pain and fever. All the patients with intrabiliary rupture had jaundice, while only four with intrabiliary rupture had pain and only two had fever. Surgical procedures performed in complicated cysts were: infection-omentoplasty in three and external drainage in seven; intrabiliary rupture-omentoplasty in two and internal drainage in four patients. Two patients with intraperitoneal rupture underwent external drainage. There was no mortality. The postoperative morbidity was 50% in complicated cysts and 16% in uncomplicated cysts.
CONCLUSION: Complicated hydatid cyst of the liver can be successfully managed surgically with good long term results.
doi:10.4240/wjgs.v2.i3.78
PMCID: PMC2999219  PMID: 21160854
Liver hydatid disease; Complicated liver hydatid; Drainage; Operative techniques
5.  Spontaneous intraperitoneal rupture of hepatic hydatid cyst with biliary peritonitis: a case report 
Cases Journal  2009;2:6511.
Introduction
Spontaneous intraperitoneal rupture with biliary peritonitis in a case of hepatic hydatid cyst is extremely rare but serious complication. It is a surgical emergency with high morbidity and mortality rates. Very few cases have been reported in the literature.
Case presentation
We report an unusual case of a biliary peritonitis due to spontaneous rupture of hepatic hydatid cyst in a male patient of 34 years of age. He presented with acute peritonitis. Contrast enhanced computed tomography 2 days prior to laparotomy showed a dumbbell shaped hydatid cyst of right lobe of the liver with perihepatic fluid collection. At operation 1.5 L bile was found in the peritoneal cavity with rupture of the anterior wall of the cyst and large cystobiliary communication. He was managed with deroofing of the cyst, cholecystectomy, and placement of T tube in the cystobiliary communication and in the extrahepatic bile duct. He developed biliary fistula which was closed over a period of 34 days with conservative therapy. At 6 months follow up patient is well and free of recurrence.
Conclusion
Though rare, ruptured hydatid cyst should be considered in the differential diagnosis of acute abdomen in a patient residing in the endemic zone.
doi:10.4076/1757-1626-2-6511
PMCID: PMC2769297  PMID: 19918527
6.  Asymptomatic intra-peritoneal rupture of hydatid cyst of the liver: case report 
BMC Research Notes  2014;7:114.
Background
Intra-peritoneal rupture of hydatid cyst is a rare complication and there is no consensus about its treatment.
Case presentation
The reported case concerns a 25 years old female patient who had been complaining for four months from a moderate pain in the right upper quadrant. No clinical or biological signs of sepsis or allergic reactions were witnessed. Ultrasound and CT examinations showed a multilocular hepatic cyst in addition to multiple unilocular cysts in the abdomen. The suspected diagnosis was hepatic and peritoneal HC and a surgical treatment was scheduled four weeks later. Surgical exploration showed a large ruptured HC on the left lobe of the liver, with daughter cysts in the peritoneal cavity. Left lobectomy of the liver with complete ablation of all daughter cysts and a wide peritoneal lavage were performed. For the three months following the surgery, Albendazole had been given to the patient. No recurrence occurred after four years of follow-up.
Conclusion
Intra-peritoneal rupture of liver HC could be asymptomatic. This case showed that in some cases, occurrence of complications is not systematic. This suggests that urgent surgical treatment is not always mandatory in the absence of alarming signs. Well-conducted medical treatment would reduce the risk of occurrence of secondary peritoneal hydatidosis.
doi:10.1186/1756-0500-7-114
PMCID: PMC3937430  PMID: 24568183
Echinococcosis hepatic; Albendazole; Rupture
7.  Acute intraperitoneal rupture of hydatid cysts: a surgical experience with 14 cases 
Introduction
Hydatidosis is endemic in the Mediterranean region including morrocco, the Middle and Far East, Australia, New Zealand, and South America—all areas where animal husbandry is common. Rupture into the abdominal cavity is a rare but serious complication of hydatid disease. The cysts may be ruptured after a trauma, or spontaneously as a result of increased intracystic pressure. Rupture of the hydatid cyst requires emergency surgical intervention.
Methods
Fourteen patients received surgical treatment for intraperitoneal rupture of the cysts over a period of 5 years. Age, gender, time to surgery from the onset of the symptoms, laboratory findings, diagnostic procedures, surgical treatment modalities, in-hospital stay, morbidity, mortality and recurrence were evaluated retrospectively.
Results
Eight of the patients were men and six were women. All of the patients had signs of peritoneal irritation. One patient (7,14%) had a history of blunt abdominal trauma. Ultrasonography scans revealed intra-abdominal fluid in all cases, intraperitoneal multiple cysts in 11 cases and heterogeneous cavity or cystic structures in the liver in 12 cases. Computed tomography showed multiple cystic lesions in the liver and peritoneum with intra-abdominal free fluid. The ruptured cysts were located in the right lobe of the liver in seven patients, in the left lobe in six patients and in both lobes in one patients. Procedures to fill the cystic cavities were applied after removal of the intraperitoneal fluid. Partial pericystectomy and drainage was the most frequent surgical procedure. No patients died in the early postoperative period. A total of seven morbidities developed in six patients (35.3%). Median hospital stay was 08 days and median follow-up was 12 months. Intra-abdominal recurrence occurred in one case (7.7%).
Conclusions
Rupture of hydatid cysts into the peritoneal cavity, although rare, presents a challenge for surgeons. This pathology should be included in the differential diagnosis of acute abdomen in endemic areas. The operative procedures, either radical or conservative, should be based on the patient’s condition, the regional characteristics, and the surgeon’s experience. The morbidity and mortality rates of surgical interventions for ruptured hydatid cysts are higher than the rates for elective uncomplicated cases.
doi:10.1186/1749-7922-8-28
PMCID: PMC3725171  PMID: 23885766
Echinococcosis; Abdomen; Peritonitis; Surgery
8.  Liver Hydatid Cyst Rupture Into the Peritoneal Cavity After Abdominal Trauma: Case Report and Literature Review 
International Surgery  2012;97(3):239-244.
The aim of this study was to review the literature regarding the rupture of hydatid cysts into the abdominal cavity after trauma. We present both a new case of hydatid cyst rupture that occurred after blunt abdominal trauma and a literature review of studies published in the English language about hydatid cyst rupture after trauma; studies were accessed from PubMed, Google Scholar, EBSCO, EMBASE, and MEDLINE databases. We identified 22 articles published between 2000 and 2011 about hydatid cyst rupture after trauma. Of these, 5 articles were excluded because of insufficient data, duplication, or absence of intra-abdominal dissemination. The other 17 studies included 68 patients (38 males and 30 females) aged 8 to 76 years who had a ruptured hydatid cyst detected after trauma. The most common trauma included traffic accidents and falls. Despite optimal surgical and antihelmintic therapy, 7 patients developed recurrence. Complications included biliary fistula in 5 patients, incisional hernia in 2 patients, and gastrocutaneous fistula in 1 patient. Death occurred from intraoperative anaphylactic shock in 1 patient and gastrointestinal bleeding and pulmonary failure in 1 patient. Rupture of a hydatid cyst into the peritoneal cavity is rare and challenging for the surgeon. This condition is included in the differential diagnosis of the acute abdomen in endemic areas, especially in young patients.
doi:10.9738/CC116.1
PMCID: PMC3723224  PMID: 23113853
Acute abdomen; Diagnosis; Peritonitis; Accident
9.  Primary abdominal hydatid cyst presenting in emergency as appendicular mass: a case report 
Hydatid disease, caused by Echinococcus granulosus, is a common parasitic infection of the liver. Disseminated intra-abdominal hydatid disease may occur following rupture of the hydatid cyst into the peritoneal cavity, producing secondary echinococcosis. Rarely cyst may develop de-novo in the peritoneal cavity without involvement of any other intra-abdominal organs. We present a unique case of 56-year-old woman with a primary intraabdominal hydatid cyst in the right iliac fossa masquerading as appendicular lump.
doi:10.1186/1749-7922-4-13
PMCID: PMC2670280  PMID: 19344504
10.  Hydatid cyst of ovary mimicking ovarian neoplasm with its imprint cytology 
Summary
Background:
Hydatid disease, caused by Echinococcus granulosus, is a common parasitic infection of the liver. Disseminated intra-abdominal hydatid disease may occur with the rupture of the hydatid cyst into the peritoneal cavity, producing secondary echinococcosis, but occasional cases of primary peritoneal hydatid disease involving the pelvis have been reported. Occasionally, the cyst does not rupture, but instead enlarges, thus mimicking an ovarian tumour.
Case Report:
We present a 30-years-old woman with an intra-abdominal hydatid cyst that had no communication with the liver. It is therefore probably a primary case of ovarian hydatid cyst, which is very rare. An imprint smear was also taken, which revealed scolex with hooklets.
Conclusions:
The incidence of hydatid cyst in the female reproductive system is very low, constituting less than 0.5% of all hydatid cysts. Hence clinicians should consider hydatid cyst among differential diagnosis whenever a cystic pelvic mass is found.
doi:10.12659/AJCR.883639
PMCID: PMC3614337  PMID: 23569548
hydatid cyst; echinococcus; ovarian cyst
11.  Echinococcosis (Hydatid Disease) 
Echinococcosis is a disease caused by the larval form of Echinococcus granulosus. The adult worm lives parasitically in the intestine of the definitive host, the dog, wolf and other wild carnivores. The ova, which are passed in the feces, are ingested by grazing animals. The intestinal juices free the ovum from its cuticle and, having entered a capillary, it is carried by the blood stream to the liver or lung, where it develops into a hydatid cyst. Man becomes infected by ingesting contaminated vegetables or drinking contaminated water.
In a mature hydatid cyst there may be thousands of scolices and each one of these, if released from the hydatid cyst, may form a new cyst if it is planted in a suitable environment. Hydatid cysts are most commonly found in the liver and the lung, but may occur in other organs.
A hepatic cyst may rupture into the peritoneal cavity and produce a hydatidoperitoneum. A pulmonary cyst frequently ruptures into a bronchus and is thus evacuated.
The disease is of world-wide distribution. In Canada most of the cases of this disease have occurred among Indians and Eskimos. It is now known that a sylvatic cycle has been established in North America and that it serves as a source of infection of the dog and man.
The patient reported herein had spontaneous rupture of a hepatic hydatid cyst, with subsequent development of secondary peritoneal echinococcosis. Repeated laparotomies had to be performed to relieve pressure on or obstruction of various organs. The patient made an uneventful recovery and is again usefully employed. No effective medical treatment for this disease is available.
Images
PMCID: PMC1921605  PMID: 13972527
12.  Surgical Management of Calcified Hydatid Cysts of the Liver 
HPB Surgery  1999;11(4):253-259.
Hydatid disease of the liver is still a major cause of morbidity in Greece. Beside the common complications of rupture and suppuration, calcification of the hepatic cysts represent a not well studied, less frequent and sometimes difficult surgical problem. In the present study 75 cases with calcified symptomatic liver echinococcosis were operated on in the 1st Propedeutic Surgical Clinic between 1964 to 1996. Twenty-eight patients were male and 47 female with ages from 23 to 78 years. The diagnosis was based mainly on the clinical picture and radiological studies. In 5 cases the operative method was cystopericystectomy. We performed evacuation of the cystic cavity and partial pericystectomy and primary closure of the residual cavity in 6 cases, omentoplasty or filling of the residual cavity with a piece of muscle of the diaphragm in 4 cases and external drainage by closed tube, in 60 cases. In 12 of those with drainage, after a period of time, a second operation with easy, removal of most of the calcareous wall plaques was performed. The mortality rate was 2%.
Our results could be considered satisfactory. In the calcified parasitic cysts of the liver the proposed technique is cystopericystectomy. An alternative procedure is pericystectomy and drainage with a “planned” reoperation with a bloodless, due to intervening inflammation, chiseling of the calcification.
doi:10.1155/1999/20148
PMCID: PMC2423978  PMID: 10468117
13.  Hydatid cyst of the liver with intrathoracic rupture. 
Thorax  1981;36(7):497-501.
In the last 10 years we have operated on 33 cases of hydatid cyst of the liver with intrathoracic rupture. Twenty-one out of 33 cases ruptured into bronchi, in seven the rupture affected the pleural cavity, and in six simultaneous rupture into the bronchus and pleural cavity occurred. Laboratory tests were not carried out in all cases. The Casoni intradermal test was carried out in 23 cases and was positive in 18. A liver scan was performed in 10 and was positive in all. Conservative operations were carried out in 22 patients. In these the hepatic cavity was evacuated and separately drained. This was followed by suturing the diaphragmatic rupture and also closing the bronchial opening if present. Lung resections were performed in 11 out of 33 cases. In eight lobectomy was carried out and in three segmental resections. Resection was necessary when suppuration and bronchiectatic changes affected the lung. Ruptured cyst into the pleural cavity requires emergency thoracotomy after the anaphylactic shock is over. Removal of the parasite, re-expansion of the lung, and drainage of the pleural and hepatic cavities is necessary. Immediate and late complications occurred in 13 patients. In two postoperative haemorrhage occurred and in two postoperative empyema developed. Recurrent haemoptysis was seen in five, persistent bile fistula in one, and dissemination of hydatid cyst in three. In the remaining 20 cases there was no complication. Operative mortality was nil.
Images
PMCID: PMC1020430  PMID: 7314022
14.  A cardiac hydatid cyst underlying pulmonary embolism: a case report 
Hydatid cysts located in the interatrial septum are especially rare but when they occur, they might cause intracavity rupture. We report on a patient with acute pulmonary embolism caused by an isolated, ruptured hydatid cyst on the right side of the interatrial septum. A 16-year-old-boy with an uneventful history was hospitalized for exercise-induced dyspnea and blood expectorations. Multiple and bilateral opacities were visualized on standard chest x-ray. Signs of right-sided hypertrophy were seen on ECG. Imaging findings led to the diagnosis of pulmonary embolism complicating cardiac hydatid cysts. An operation was performed through median sternotomy to remove the cardiac cyst. The pleural cavity was entered through the fifth intercostal space to withdraw lung hydatid cysts. Operative recovery was uneventful and the patient resumed his normal activities 19 months later. Prompt diagnosis and an appropriate surgical treatment prevented a potentially fatal outcome.
PMCID: PMC3201579  PMID: 22121421
Echinococcosis; Hydatidosis; Pulmonary embolism; cardiac; hydatid cyst
15.  Giant hepatic hydatid cyst with sub-fascial extension treated by open minimally invasive surgery: a case report 
Introduction
Hepatic hydatid disease can be successfully treated by a variety of modalities.
Case Presentation
We report a case of a 60 year old male with giant hepatic hydatid disease who presented with a huge cystic mass in the upper abdomen. Diagnosis was confirmed by serology, ultrasonography and CT scan. The patient was treated successfully by open minimally invasive surgery with minimum breaching of the peritoneal cavity using a laparoscopic trocar to evacuate the cyst.
Conclusion
The use of a laparoscopic trocar through a small abdominal incision in selected patients with hepatic hydatid disease with subfascial extension can be a safe, minimally-invasive option of treatment
doi:10.1186/1752-1947-2-26
PMCID: PMC2248592  PMID: 18226227
16.  Perforated Hepatic Hydatid Cyst into the Peritoneum with Mild Symptoms 
Case Reports in Gastroenterology  2008;2(3):439-443.
Rupture into the abdominal cavity is a rare but serious complication of hydatid disease that necessitates emergency surgical intervention. We present herein a case with mild abdominal symptoms due to hydatid cyst rupture into the peritoneum after trauma. A 24-year-old man was admitted to the emergency room with mild abdominal pain. His symptoms had started after a fall four days earlier. Ultrasonography and computed tomography showed cystic lesions in the liver and peritoneum with intraabdominal free fluid. He was treated surgically with partial cystectomy and falciformoplasty. Postoperative albendazole therapy was given for two months. There was not recurrence four months postoperatively at control computed tomography.
doi:10.1159/000161564
PMCID: PMC3166808  PMID: 21897796
Hydatid disease; Liver; Trauma; Rupture
17.  Primary Hydatid Cyst in Gastrocnemius Muscle 
Cystic echinococcosis, which is caused by the larval stages of Echinococcus granulosus, results from the presence of one or more massive cysts or hydatids, and can involve any organ, including the liver, lungs, heart, brain, kidneys, and long bones. Muscle hydatidosis is usually secondary in nature, resulting from spread of larval tissue from a primary site after spontaneous or trauma-induced cyst rupture or after release of viable parasite material during invasive treatment procedures. Primary muscle hydatidosis is extremely uncommon, because implantation at this site would require passage through the filters of the liver and lung. Intramuscular hydatid cyst can cause a variety of diagnostic problems, especially in the absence of typical radiologic findings. We present an unusual case of a primary hydatid cyst found in the popliteal fossa of the right knee of a 52-year-old woman, presenting as an enlarging soft-tissue tumor for 6 months associated with pain. The mass initially was diagnosed to be Backer′s cyst by ultrasonography, but later it was confirmed postoperatively through histopathological studies to be due to hydatid disease. In regions where hydatidosis is endemic, hydatid cyst should be included in the differential diagnosis of any unusual muscular mass.
doi:10.4103/1117-6806.95479
PMCID: PMC3716238  PMID: 24027387
Echinococcus; muscle hydatidosis; popliteal fossa; primary hydatid cyst; scolicidal agent
18.  Intra cranial hydatid cyst: A case report of total cyst extirpation and review of surgical technique 
Journal of Neurosciences in Rural Practice  2013;4(Suppl 1):S125-S128.
Hydatid cysts commonly affect liver and lung but it can also affect the brain in rare cases. We report a case of 22 year female with history of headache for one and half years. Intracranial hydatid cyst was diagnosed on computed tomography scan and magnetic resonance imaging. The cyst was delivered without rupture using hydrostatic dissection followed by post-operative anthelminthic medication. Surgery remains to be the standard management. Amongst the surgical techniques described, Dowling's technique is the most acceptable. However, care must be taken in to avoid rupture of the cyst peroperatively which can result in subsequent complications and recurrence. Albendazole and corticosteroids can be used as adjunct to surgical treatment in selective cases.
doi:10.4103/0976-3147.116445
PMCID: PMC3808042  PMID: 24174780
Antihelminthic medication; craniotomy; hydrostatic dissection; intracranial hydatid cyst
19.  Traumatic rupture of hydatid cysts 
Canadian Journal of Surgery  1996;39(4):293-296.
Objective
To stress the relation between rupture of hydatid cysts and trauma.
Design
A case series.
Setting
A university-affiliated hospital for emergency medicine.
Patients
Four college students who suffered traumatic rupture of hydatid cysts. All injuries were sustained during sporting activities.
Interventions
Resection or unroofing of the cysts with careful removal of all hydatid elements, and suture-plication of the residual liver cavities.
Results
The ruptured cysts were located in the liver, spleen and splenic flexure of the colon. At exploration, additional hydatid cysts were found, usually in the liver. Treatment resulted in complete recovery in all patients.
Conclusions
Traumatic rupture of hydatid cysts related to sporting activities may be commoner than indicated by the rarity of reports. Increased awareness of this possibility in areas where hydatid disease is endemic is encouraged.
PMCID: PMC3950136  PMID: 8697319
20.  Hydatid cysts of the lung 
BMJ Case Reports  2010;2010:bcr0420102938.
Cystic hydatid disease is a zoonosis caused by infection with the larval cysts of Echinococcus granulosus. Cysts commonly develop in the liver and lungs. Diagnosis in non-endemic regions is often delayed due to a failure to consider hydatidosis. This results from a non-specific presentation and a failure to record an accurate geographical history. The diagnosis requires integrating an appropriate index of suspicion with correct interpretation of imaging and serological tests.
In our case, a 44-year-old woman of Yemeni origin presented to a UK hospital with chest pain, pruritus and weight loss. Following detection of pulmonary nodules, a CT-guided biopsy was carried out to exclude malignancy. Iatrogenic cyst rupture precipitated an acute eosinophilic pleurisy. Cystic hydatid disease was subsequently diagnosed following strongly positive hydatid serological tests.
This case illustrates the importance of considering diagnoses appropriate to an individual's geographical history particularly in the context of rising immigration and foreign travel.
doi:10.1136/bcr.04.2010.2938
PMCID: PMC3029114  PMID: 22778194
21.  Anaphylaxis from intravascular rupture of Hydatid disease following liver trauma 
Cystic Echinococcosis also known as cystic hydatid disease is a parasitic infection endemic in many parts of the world. Humans are accidental intermediate hosts with cysts most commonly developing in the liver. This case describes a rare presentation of hydatid disease following trauma to the liver. Intraparenchymal cyst rupture led to haemodynamic instability with release of the parasites protoscolices into hepatic venules producing severe life threatening anaphylaxis.
doi:10.1093/jscr/2010.7.1
PMCID: PMC3649144  PMID: 24946335
22.  Orbital hydatid cyst 
Annals of Maxillofacial Surgery  2012;2(2):197-199.
Hydatid cysts rarely appear isolated in the orbital cavity without involvement of other organs. Most of these are situated in the superolateral and superomedial angles of the orbit. Inferiorly located cysts are very uncommon. The authors report a case of a primary hydatid cyst of the orbit with inferiolateral localization. The cyst was enucleated surgically via a rhinotomy approach. This case was considered as a primary infection, because there was no previous history of hydatid disease and no findings of liver and lung cysts on radiological examination. Physicians should include orbital hydatid cyst in the differential diagnosis of unilateral proptosis. To avoid complications that might occur during surgery, the cyst can be easily removed using a gentile enucleation technique.
doi:10.4103/2231-0746.101365
PMCID: PMC3591069  PMID: 23483684
Exopthalmia investigation; follow-up; intraorbital hydatid cyst; proptosis; surgical treatment
23.  Laparoscopic Management of Renal Hydatid Cyst 
Introduction:
Renal involvement by hydatid disease is uncommon. The patients may be asymptomatic or present with flank pain, hematuria, and hypertension. Surgery is the mainstay of treatment, and options include cyst deroofing, partial nephrectomy, and total nephrectomy. We share our experience of laparoscopic management of 3 patients with large hydatid cysts of the kidney and review the literature.
Case Description:
Three patients with hydatid cysts of the kidney were treated at our institution between 2008 and 2010. In all 3 patients, hydatid disease involved the left kidney. One of the three cases also had concomitant liver involvement. Abdominal pain was the predominant symptom. A flank mass was palpable in 2 patients. The diagnosis was confirmed on abdominal ultrasonography and computed tomography in all 3 patients. Laparoscopic management was successfully completed in 2 patients. A large intrahepatic cyst in 1 patient prompted conversion to an open procedure. A special hydatid trocar-cannula system helps in eliminating the possibility of spillage from the cyst while puncturing and aspirating the cyst.
Discussion:
There are few reports on laparoscopic management of this uncommon disease of the kidney. In our series the laparoscopic management was attempted in all 3 cases. The procedures included laparoscopic aspiration of the cyst contents along with subtotal excision of the ectocyst in 2 patients and nephrectomy in 1 patient. The latter case had to be converted to an open procedure because of inaccessibility of the intrahepatic liver hydatid cyst. Laparoscopic management of renal hydatid cysts is feasible and safe.
doi:10.4293/108680813X13753907291396
PMCID: PMC4035655  PMID: 24960508
Renal; Hydatid cyst; Laparoscopy
24.  Complications of extrahepatic echinococcosis: Fistulization of an adrenal hydatid cyst into the intestine 
Echinococcal cysts are usually found in liver and lungs, but any other organ can potentially be involved. Extrahepatic disease due to hydatid cyst may develop in the abdominal and pelvic cavity, aside from in other less common locations, which may make both diagnosis and treatment more complex. We present a rare case of extrahepatic echinococcosis in a 70-year old patient with a 4-d history of dull abdominal pain, anemia within the transfusion range and fever. She underwent surgery for left renal hydatid cysts 30 years ago. After non operative treatment, imaging studies showed a calcified hydatid cyst in a retrogastric location communicating with a proximal jejunal loop. En-block resection of the mass together with the adrenal gland was performed including closure of the enteric fistula. Anatomic pathology confirmed the diagnosis of a calcified hydatid cyst of left adrenal origin. Surgery is the treatment of choice and most authors recommend removal of cyst and adrenal gland.
doi:10.3748/wjg.14.1467
PMCID: PMC2693703  PMID: 18322969
Echinococcosis; Adrenal cyst; Surgery
25.  Management of abdomen hydatidosis after rupture of a hydatid splenic cyst: a case report 
Cases Journal  2009;2:8416.
We present a case of multiple hydatidosis in an 8-year-old boy that resulted from a ruptured hydatid cyst of the spleen and spread into the peritoneal cavity. We also present a new approach for managing these difficult and high-risk cases.
doi:10.4076/1757-1626-2-8416
PMCID: PMC2769439  PMID: 19918429

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