Juxtaarticular Myxoma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Juxtaarticular Myxoma

Juxtaarticular Myxoma Khin Thway, BSc, MBBS, FRCPath Key Facts Terminology Benign lesion occurring in region of large joints, with histologic features of myxoma Etiology/Pathogenesis Some associated with trauma or occur…

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Intramuscular Myxoma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Intramuscular Myxoma

Intramuscular Myxoma Khin Thway, BSc, MBBS, FRCPath Key Facts Terminology Benign soft tissue tumor composed of bland spindle to stellate fibroblasts within abundant extracellular myxoid matrix Clinical Issues Middle-aged adults…

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Angiosarcoma of Soft Tissue

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Angiosarcoma of Soft Tissue

Angiosarcoma of Soft Tissue Thomas Mentzel, MD Key Facts Terminology Malignant mesenchymal neoplasm of cells recapitulating variably morphologic and functional features composed of endothelial cells Clinical Issues Deep soft tissues…

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Cutaneous Angiosarcoma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Cutaneous Angiosarcoma

Cutaneous Angiosarcoma Thomas Mentzel, MD Key Facts Terminology Malignant mesenchymal neoplasm of cells variably recapitulating morphologic and functional features composed of endothelial cells Etiology/Pathogenesis Idiopathic (actinic) angiosarcoma Predominantly in actinically…

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Kaposi Sarcoma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Kaposi Sarcoma

Kaposi Sarcoma Thomas Mentzel, MD Key Facts Terminology Locally aggressive endothelial neoplasm associated with human herpes virus 8 Clinical Issues Most typical site of involvement is skin Mucosal membranes, lymph…

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Atypical Vascular Proliferation

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Atypical Vascular Proliferation

Atypical Vascular Proliferation Thomas Mentzel, MD Key Facts Terminology Vascular proliferation after radiotherapy excluding obvious post-irradiation angiosarcoma, arising predominantly in breast Clinical Issues Exact incidence is difficult to establish Occurs…

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Kaposiform Hemangioendothelioma

Jul 9, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Kaposiform Hemangioendothelioma

Kaposiform Hemangioendothelioma Steven D. Billings, MD Key Facts Clinical Issues Presents in infants and young children Associated with Kasabach-Merritt syndrome (especially retroperitoneal tumors) Consumptive coagulopathy Thrombocytopenia Rare regional lymph node…

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