Intrapulmonary Solitary Fibrous Tumor Key Facts Clinical Issues Cough Chest pain Dyspnea Macroscopic Features Generally well-circumscribed but unencapsulated intraparenchymatous masses Rubbery, whorled, tan-white cut surface Microscopic Pathology Variation of growth…
Pulmonary Paraganglioma Key Facts Clinical Issues Extremely rare tumor in pulmonary location Solitary, peripheral “coin” lesion Central, endobronchial lesion Microscopic Pathology Principal feature is “endocrine” or “organoid” growth pattern Most…
Mucous Gland Adenoma Key Facts Terminology Benign tumor characterized by exuberant enlargement of normal endobronchial glands filled with mucous content above cartilaginous plate Etiology/Pathogenesis Exuberant dilatation and proliferation of normal…
Endobronchial Lipoma Key Facts Terminology Synonym: Lipomatous hamartoma Definition: Benign mesenchymal neoplasm composed exclusively of mature adipose tissue Clinical Issues Cough Shortness of breath Obstructive pneumonia Lipomas are more commonly…
Alveolar Adenoma Key Facts Terminology Benign intraparenchymal lung tumor Etiology/Pathogenesis Although the etiology of this tumor is not completely understood, it may originate from pneumocytes Clinical Issues General features Unusual…
Cartilaginous Hamartoma Key Facts Terminology Benign mesenchymoma Clinical Issues Intrapulmonary coin lesion of variable size Central or peripheral tumor Complete surgical resection Excellent prognosis Macroscopic Features Well-circumscribed lesion Firm with…
Protocol for the Examination of Gist Specimens Gastrointestinal Stromal Tumor (GIST): Biopsy Surgical Pathology Cancer Case Summary (Checklist) Procedure ____Core needle biopsy ____Endoscopic biopsy ____Other (specify):_____________________________ _____Not specified *Specimen Size…
Antibody Index Antibodies Discussed Antibody Name/Symbol Antibody Description Clones/Alternative Names 34βE12 cytokeratin, high molecular weight (34βE12-; CK1, 5, 10, 14) MA-903, CK903, high molecular weight keratin α1-antichymotrypsin alpha 1 antichromotripsin…
Endometrial Stromal Sarcoma Khin Thway, BSc, MBBS, FRCPath Key Facts Terminology Malignant tumor composed of cells that resemble those of proliferative endometrium Clinical Issues Peak incidence in 4th-5th decades Can…
Interdigitating Reticulum Cell Sarcoma Wesley O. Greaves, MD L. Jeffrey Medeiros, MD Cyril Fisher, MD, DSc, FRCPath Key Facts Clinical Issues Wide age range Single lymph nodes most commonly involved…
