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1.  Solitary Epidural Lipoma with Ipsilateral Facet Arthritis Causing Lumbar Radiculopathy 
Asian Spine Journal  2012;6(3):203-206.
A 55-year-old obese man (body mass index, 31.6 kg/m2) presented radiating pain and motor weakness in the left leg. Magnetic resonance imaging showed an epidural mass posterior to the L5 vertebral body, which was isosignal to subcutaneous fat and it asymmetrically compressed the left side of the cauda equina and the exiting left L5 nerve root on the axial T1 weighted images. Severe arthritis of the left facet joint and edema of the bone marrow regarding the left pedicle were also found. As far as we know, there have been no reports concerning a solitary epidural lipoma combined with ipsilateral facet arthorsis causing lumbar radiculopathy. Solitary epidural lipoma with ipsilateral facet arthritis causing lumbar radiculopathy was removed after the failure of conservative treatment. After decompression, the neurologic deficit was relieved. At a 2 year follow-up, motor weakness had completely recovered and the patient was satisfied with the result. We recommend that a solitary epidural lipoma causing neurologic deficit should be excised at the time of diagnosis.
PMCID: PMC3429612  PMID: 22977701
Solitary epidural lipoma; Posterior facet; Ipsilateral arthritis; Lumbar radiculopathy
2.  Coronary to Bronchial Artery Fistula Causing Massive Hemoptysis in Patients with Longstanding Pulmonary Tuberculosis 
Korean Journal of Radiology  2011;13(1):102-106.
We report on three cases of longstanding pulmonary tuberculosis patients with coronary to bronchial artery fistula (CBF) who presented with recurrent massive hemoptysis. The first and second patients died because of decreased functional pulmonary volume plus massive hemoptysis and cannulation failure of CBF due to hypovolemic vasospasm, respectively. When recurrent hemoptysis occurs despite successful embolization treatment, CBF should be considered as a potential bleeding source. Moreover, a coronary angiography should be performed, especially in patients with longstanding cardiopulmonary disease such as pulmonary tuberculosis.
PMCID: PMC3253394  PMID: 22247644
Coronary artery; Bronchial artery; Pulmonary tuberculosis; Hemoptysis; Embolization
3.  Sonographic Identification of the Intracompartmental Septum in de Quervain’s Disease 
The intracompartmental septum in the first extensor compartment in patients with de Quervain’s disease has been associated with disease development and prognosis. However, with the exception of surgical exploration, there is no way of detecting the septum.
We evaluated the accuracy of sonography for identifying the intracompartmental septum in the first extensor compartment in patients with de Quervain’s disease using surgical findings as the reference standard.
Patients and Methods
We performed surgical release of the first extensor compartment in 43 wrists of 40 patients who were unresponsive to nonoperative treatment. In each case, a sonographic evaluation was performed before surgery by a radiologist and the sonographic and surgical findings were compared.
Sonography identified the intracompartmental septum in 19 of the 19 septum-present wrists and absence of the septum in 23 of the 24 septum-absent wrists. The sensitivity of sonography was 100% (95% confidence interval, 80%–100%), its specificity 96% (95% confidence interval, 78%–100%), accuracy 98% (95% confidence interval, 87%–100%), positive predictive value 95% (95% confidence interval, 74%–100%), and negative predictive value 100% (95% confidence interval, 83%–100%). Sonography also identified septum-like structures in 15 of 37 (41%) asymptomatic contralateral wrists.
Sonography is useful for detecting the intracompartmental septum in the first extensor compartment in patients with de Quervain’s disease.
Level of Evidence
Level I, diagnostic study. See Guidelines for Authors for a complete description of levels of evidence.
PMCID: PMC2895825  PMID: 20033358
4.  Arthroscopic Treatment of Septic Arthritis of Acromioclavicular Joint 
Clinics in Orthopedic Surgery  2010;2(3):186-190.
Septic arthritis requires an early diagnosis and proper treatment to prevent the destruction of articular cartilage and joint contracture. This paper presents a rare case of septic arthritis of the acromioclavicular joint that was treated with arthroscopic debridement and resection of the distal clavicle.
PMCID: PMC2915399  PMID: 20808591
Acromioclavicular joint; Septic arthritis; Acute; Arthroscopy
5.  Lateralization of Hypoglycemic Encephalopathy: Evidence of a Mechanism of Selective Vulnerability 
One of the characteristics of hypoglycemic encephalopathy (HE) is selective vulnerability of different brain regions.
Case Report
We observed a patient with unilateral HE affecting the right internal capsule and the subcortical white matter. The patient had a preexisting stroke in the opposite hemisphere. The hemisphere that was affected by HE exhibited greater regional blood flow (single positron-emission tomography) and higher fractional anisotropy (diffusion-tensor imaging) than the unaffected hemisphere.
This case suggests that the degree of metabolism required to maintain the function of brain structures and neuronal integrity is an important factor determining the selective vulnerability in HE.
PMCID: PMC2895223  PMID: 20607051
hypoglycemic encephalopathy; selective vulnerability; unilateral involvement; degree of metabolism

Results 1-5 (5)