PEComatous Tumors

Aug 19, 2016 by in CARDIOLOGY Comments Off on PEComatous Tumors

PEComatous Tumors Marie-Christine Aubry, M.D. Fabio R. Tavora, M.D., Ph.D. Definition PEComatous tumors encompass tumors thought to arise from perivascular epithelioid cells (PECs). PECs were first described in 1943 and…

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Meningothelial-Like Nodule

Aug 19, 2016 by in CARDIOLOGY Comments Off on Meningothelial-Like Nodule

Meningothelial-Like Nodule Allen P. Burke, M.D. Marie-Christine Aubry, M.D. General Meningothelial-like nodules (MLNs) have several designations, including “minute meningothelial-like nodule,” “meningothelial nodules,” and “chemodectoma.” They are quite common as incidental…

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Hamartoma and Chondroma

Aug 19, 2016 by in CARDIOLOGY Comments Off on Hamartoma and Chondroma

Hamartoma and Chondroma Marie-Christine Aubry, M.D. Fabio R. Tavora, M.D., Ph.D. General Hamartoma and chondroma are neoplasms with overlapping histologic features, mainly the presence of cartilage. However, they are distinct…

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Inflammatory Myofibroblastic Tumor

Aug 19, 2016 by in CARDIOLOGY Comments Off on Inflammatory Myofibroblastic Tumor

Inflammatory Myofibroblastic Tumor Eunhee S. Yi, M.D. Jennifer M. Boland, M.D. Marie-Christine Aubry, M.D. Introduction Inflammatory myofibroblastic tumor (IMT) is a neoplasm characterized by a proliferation of fibroblasts and myofibroblasts…

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Pulmonary Adenomas

Aug 19, 2016 by in CARDIOLOGY Comments Off on Pulmonary Adenomas

Pulmonary Adenomas Allen P. Burke, M.D. Sclerosing Pneumocytoma (Hemangioma) Sclerosing pneumocytoma is a distinctive benign tumor of pneumocyte origin. Although the epithelial nature of the tumor has been established for…

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Papillomas

Aug 19, 2016 by in CARDIOLOGY Comments Off on Papillomas

Papillomas Allen P. Burke, M.D. Marie-Christine Aubry, M.D. Squamous Papilloma General Squamous cell papilloma is a benign tumor consisting of delicate connective tissue fronds with a squamous epithelial surface.1,2,3,4,5,6,7,8,9,10,11 Squamous…

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Secondary Pulmonary Hypertension

Aug 19, 2016 by in CARDIOLOGY Comments Off on Secondary Pulmonary Hypertension

Secondary Pulmonary Hypertension Allen P. Burke, M.D. General Pulmonary hypertension secondary to heart and lung diseases is common (Table 64.1) compared to idiopathic and associated pulmonary arterial hypertension, which are…

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