PATHOLOGY & LABORATORY MEDICINE

Signet Ring Cell Carcinoma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Signet Ring Cell Carcinoma

Signet Ring Cell Carcinoma Key Facts Terminology Synonym: Adenocarcinoma with signet ring cells Definition Non-small cell carcinoma with signet ring cells similar to those described in gastrointestinal tract Clinical Issues…

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Sclerosing Hemangioma (Pneumocytoma)

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Sclerosing Hemangioma (Pneumocytoma)

Sclerosing Hemangioma (Pneumocytoma) Key Facts Terminology Pneumocytoma Etiology/Pathogenesis Tumor appears to have pneumocytic differentiation, yet histogenesis remains unclear Clinical Issues Incidence More common among women Tumor is more common in…

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Granular Cell Tumor

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Granular Cell Tumor

Granular Cell Tumor Key Facts Terminology Granular cell tumor (GCT) Benign neoplasm composed of medium-sized cells with prominent granular cytoplasm Malignant counterpart shows similar histology but with nuclear atypia and…

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Minute Meningothelial-like Nodule

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Minute Meningothelial-like Nodule

Minute Meningothelial-like Nodule Key Facts Clinical Issues Usually asymptomatic Can present with diffuse, symptomatic bilateral interstitial lung infiltrates (diffuse pulmonary meningotheliomatosis) Lesions most often represent an incidental finding of no…

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Pulmonary Meningioma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Pulmonary Meningioma

Pulmonary Meningioma Key Facts Terminology Primary intrapulmonary meningothelial neoplasm Clinical Issues Cough Asymptomatic Lobectomy Wedge excision in small tumors Good prognosis in conventional cases Aggressive behavior in malignant tumors Macroscopic…

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Glomus Tumor

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Glomus Tumor

Glomus Tumor Key Facts Terminology Synonyms: Glomangioma, glomic tumor Clinical Issues Cough Shortness of breath Asymptomatic Image Findings Coin lesion in intrapulmonary location Central tumor obstructing bronchial lumen Microscopic Pathology…

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Intrapulmonary Thymoma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Intrapulmonary Thymoma

Intrapulmonary Thymoma Key Facts Clinical Issues Intraparenchymatous location within lung parenchyma; central and peripheral Incidental finding on chest x-ray in 50% of patients Image Findings 0.5-10 cm in greatest dimension…

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