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1.  Extraskeletal Chondroma: Another Diagnostic Possibility for a Soft Tissue Axillary Mass in an Adolescent 
Case Reports in Orthopedics  2011;2011:309328.
Extraskeletal chondroma is a benign cartilaginous tumor that occurs predominantly in the soft tissues near small joints of the hands and feet. There are rare reports of the lesion in other sites, such as the head, neck, trunk, oral cavity, larynx, and pharynx. We present a case of an axillary mass in a 15-year-old girl who underwent MRI examination and resection, with the ultimate diagnosis of an extraskeletal chondroma, in order to expand the differential diagnosis of an axillary soft tissue mass in an adolescent.
PMCID: PMC3505889  PMID: 23198206
2.  Actinomycosis Presenting as an Abdominal Mass in a Child 
Abdominal actinomycosis in childhood period is very rare and a relation to trauma is not well established. Herein we report a case that appeared subsequent to abdominal trauma. A 17 years old boy presented with left lower quadrant abdominal mass and signs of acute abdomen. The symptoms of abdominal discomfort began after a fall from height 3 months before admission. There were signs of acute abdomen at physical examination. Ultrasound of abdomen demonstrated a mass; CT scan findings pointed to a suspicious “internal hernia”. An emergency laparotomy was performed. During surgery, a mass located over sigmoid colon and infiltrating the lateral abdominal wall was found. It was removed en bloc with the adjacent omentum. Except for the thickened sigmoid colon, no other pathologies were present at laparotomy. The pathology specimen revealed the actinomyces infection. The patient was treated with oral penicillin after discharge and the follow-up was uneventful. We advocate, keeping the actinomyces infection in mind in cases presenting with abdominal mass of unknown origin in childhood period.
PMCID: PMC3418013  PMID: 22953271
Abdominal actinomycosis; Abdominal trauma; Mass abdomen; Actinomycosis
3.  Pseudocoarctation 
Pseudocoarctation, also known as kinking or buckling of the aorta, is an uncommon anomaly. Its recognition is important, because it may be mistaken for true coarctation, aneurysm or mediastinal neoplasm. A case of pseudocoarctation associated with left cervical aorta is reported. The present case is unique in the demonstration of obvious tortuosity and kink formation of the cervical aorta and main branches without frank aneurysm formation. Magnetic resonance angiography as a noninvasive imaging modality was suggested for the definitive diagnosis of cervical aortic arch and its accompanying anomalies.
PMCID: PMC2651949  PMID: 17593995
Cervical aortic arch; Magnetic resonance angiography; Pseudocoarctation

Results 1-3 (3)