Musculoskeletal Imaging
Soft tissue aneurysmal bone cyst: a rare case in a middle aged patient by Kevin S Baker et al. |
Published: 2015 Jan Issue: 9(1) :: Pages: 26-35
| Abstract: Soft tissue aneurysmal bone cyst is a rare entity, with about 20 cases reported in literature, only 3 of which are in patients over 40 years of age. We present a case of a 41 year old Latin American female who presented for evaluation of atraumatic chest pain with radiation to the left shoulder. Her initial workup was negative, including radiographic imaging of the chest and left shoulder. 4 months later, she presented to her orthopedic surgeon with a palpable mass and mild left shoulder pain. Radiographs acquired at that time demonstrated a 7.0 x 5.5 x 6.7 cm mass with rim calcification in the region of the upper triceps muscle. Subsequent CT imaging showed central areas of hypodensity and thin septations, a few of which were calcified. MR evaluation showed hemorrhagic cystic spaces with multiple fluid-fluid levels and enhancing septations. Surgical biopsy was performed and pathology was preliminarily interpreted as cystic myositis ossificans, however on final review the diagnosis of soft tissue aneurysmal bone cyst was made. The lesion was then surgically excised and no evidence of recurrence was seen on a 3 year post-op radiograph. Following description of our case, we conduct a literature review of the imaging characteristics, diagnosis, and treatment of soft tissue aneurysmal bone cyst.
Available image modalities: (click on modality to browse for other articles) Conventional Radiography, Computed Tomography, Magnetic Resonance Imaging, Microscopic pathology, Table
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Genitourinary Radiology
Inflammatory Pseudotumor of the Urinary Bladder by Elsa Rosado et al. |
Published: 2015 Jan Issue: 9(1) :: Pages: 36-42
| Abstract: We report a case of an inflammatory pseudotumor of the urinary bladder in a 31 year-old woman. She presented at the emergency room with low abdominal pain and urinary symptoms. Abdominal ultrasound, computed tomography and magnetic resonance imaging were performed and revealed asymmetric thickening of the urinary bladder wall. Cystoscopy with urinary cytology revealed a benign nature of the process. The patient underwent partial cystectomy and the pathologic examination of the specimen revealed an inflammatory pseudotumor. We reviewed the clinical, imaging and pathological features of the inflammatory pseudotumor of the urinary bladder and discussed its differential diagnosis.
Available image modalities: (click on modality to browse for other articles) Ultrasound, Computed Tomography, Magnetic Resonance Imaging, Macroscopic pathology, Microscopic pathology, Table
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Cardiac Imaging
Coronary periarteritis in a patient with multi-organ IgG4-related disease by Yueyang Guo et al. |
Published: 2015 Jan Issue: 9(1) :: Pages: 1-17
| Abstract: Immunoglobulin G4-related disease is a recently described systemic clinicopathological entity characterized by immunoglobulin G4-producing plasmacytic infiltration of tissue and frequently by elevated serum immunoglobulin G4 concentration. Manifestations of this disease have been documented in nearly all organs and locations, but coronary artery involvement is not widely recognized. We report the coronary findings of a patient with multi-organ immunoglobulin G4-related disease. Non-electrocardiogram-gated computed tomography of the chest demonstrated nodular and rind-like periarterial soft tissue thickening along the proximal coronary artery segments with improvement following steroid therapy.
Available image modalities: (click on modality to browse for other articles) Microscopic pathology, Nuclear Medicine, Table
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Interventional Radiology
Seeding of the Rectus Sheath with Hepatocellular Carcinoma after Image Guided Percutaneous Liver Biopsy Using Coaxial Biopsy Needle System by Vladislav V. Tchatalbachev et al. |
Published: 2015 Jan Issue: 9(1) :: Pages: 18-25
| Abstract: Needle track seeding following image guided needle biopsy is a known but uncommon complication in the workup of hepatocellular carcinoma. We present the case of a 55 year-old male who was found to have a recurrent hepatocellular carcinoma in the rectus sheath five years following a CT guided biopsy with the biopsy needle passing through the anterior abdominal wall muscles.
Available image modalities: (click on modality to browse for other articles) Computed Tomography, Microscopic pathology, Magnetic Resonance Imaging, Macroscopic pathology, Table
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Gastrointestinal Radiology
Transduodenal migration of a retained surgical swab causing small bowel obstruction - imaging findings in the acute setting and prior to onset of symptoms by Marc Williams |
Published: 2015 Jan Issue: 9(1) :: Pages: 43-48
| Abstract: Transmural migration of a retained surgical sponge causing small bowel obstruction is a rare occurrence. We report a case which demonstrates both the associated foreign body reaction seen on computed tomography months in advance of the onset of symptoms and confirms the subsequent fistulous decompression into the duodenum on both computed tomography and barium meal studies. To the best of the author`s knowledge, a retained surgical swab causing small bowel obstruction has not been previously described with imaging both pre and post transluminal decompression.
Available image modalities: (click on modality to browse for other articles) Conventional Radiography, Computed Tomography, Fluoroscopy, Table
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