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Spindle-cell hemangioendothelioma [3]) is a vascular tumor that was first described in 1986 by Sharon Weiss, M.D., [4] and commonly presents in a child or young adult who develops blue nodules of firm consistency on a distal extremity.
A vascular tumor is a vascular anomaly where a tumor forms from cells that make blood or lymph vessels; a soft tissue growth that can be either benign or malignant. [1] Examples of vascular tumors include hemangiomas, hemangioendotheliomas, Kaposi's sarcomas, angiosarcomas, and hemangioblastomas. An angioma refers to any type of benign vascular ...
A hemangioma or haemangioma is a usually benign vascular tumor derived from blood vessel cell types. The most common form, seen in infants, is an infantile hemangioma, known colloquially as a "strawberry mark", most commonly presenting on the skin at birth or in the first weeks of life. A hemangioma can occur anywhere on the body, but most ...
M9136/1 Spindle cell hemangioendothelioma Spindle cell angioendothelioma; M9140/3 Kaposi's sarcoma. Multiple hemorrhagic sarcoma; M9141/0 Angiokeratoma M9142/0 Verrucous keratotic hemangioma M9150/0 Hemangiopericytoma, benign M9150/1 Hemangiopericytoma, NOS Hemangiopericytic meningioma; M9150/3 Hemangiopericytoma, malignant M9160/0 angiofibroma ...
Spindle neuron, also known as a von Economo neuron In general medicine, a spindle cell may refer to the spindle -shaped cells that are found in certain types of tumor: Inflammatory fibroid polyp
Epithelioid hemangioendothelioma, a vascular tumour occurring in the lining of blood vessels; Epithelioid blue nevus, a melanocytic nevus; Epithelioid sarcoma-like hemangioendothelioma, a group of vascular neoplasms; Epithelioid and spindle-cell nevus, a benign melanocytic lesion affecting the epidermis and dermis; Epithelioid hemangioma
Hemangiopericytomas are tumors that are derived from specialized spindle shaped cells called pericytes, which line capillaries. [4] Hemangiopericytoma is an aggressive mesenchymally derived tumor with oval nuclei with scant cytoplasm. There is dense intercellular reticulin staining. Tumor cells can be fibroblastic, myxoid, or pericytic. These ...
Differential diagnosis includes vascular malformation, angioma, pyogenic granuloma, angiosarcoma, epithelioid hemangioendothelioma, Kaposi’s sarcoma, and other more rare vascular tumors. Three forms of intravascular papillary endothelial hyperplasia exist: the primary or pure form, the secondary or mixed form, and the extravascular form.