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A Descriptive Study on Mass Lesions of External Auditory Canal.
Indian J Otolaryngol Head Neck Surg
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Velammal Medical College Hospital and Research Institute, Madurai, Tamilnadu India.
Ear canal mass lesions are very rare and can arise due to varied pathology ranging from simple polyp to severe malignancy. Common causes for ear canal mass formation includes aural polyp, cholesteatoma, bony exostosis and tumors. Clinical symptoms and treatment options vary depending on pathology.
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Department of Pathology and Immunology, Baylor St. Luke's Medical Center, Baylor College of Medicine, Houston, Texas, USA.
Glomus tumors are benign vascular soft tissue neoplasms of glomus bodies. Primary lung glomus tumors are rare and usually express smooth muscle markers, and are negative for cytokeratin and neuroendocrine markers in immunohistochemistry. We report a case of a primary lung glomus tumor showing diffuse, strong, aberrant immunoexpression for synaptophysin and morphologically mimicking a low-grade neuroendocrine tumor (carcinoid tumor).
View Article and Find Full Text PDFDermoscopy of Onychopapilloma: A Benign Mimic of Subungual Malignancy.
Cureus
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Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.
Onychopapilloma is a benign tumor of the nail bed and distal matrix, commonly presenting with longitudinal erythronychia and distal subungual hyperkeratosis. A 30-year-old Asian male presented with an asymptomatic, stable discoloration of the thumbnail, with longitudinal erythronychia, distal onycholysis, and V-shaped fissuring. Dermoscopy revealed splinter hemorrhages and focal distal subungual hyperkeratosis beneath the V-shaped notch.
View Article and Find Full Text PDF68Ga-DOTATOC PET/CT of Glomus Tumor of the Small Bowel.
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Pathology, University Hospital of Saint-Etienne, Saint Etienne, France.
A 57-year-old woman had an incidental finding of a hypervascular small bowel lesion on a contrast-enhanced CT scan performed for a suspected renal graft infection. The morphologic features of the lesion were suggestive of a neuroendocrine tumor (NET), but serum chromogranin A and urinary 5-HIAA were negative. 68Ga-DOTATOC PET/CT showed high SSTR-2 expression in the lesion, suggesting a NET.
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