Metastatic Adrenal Gland Pheochromocytoma

**Semantic type:** Neoplastic Process

**Definition:** A pheochromocytoma that metastasizes to other anatomic sites. Common sites of metastasis include lymph nodes, bones, liver, and lung. Morphologic features associated with malignant pheochromocytomas include: atypical mitotic figures, capsular and vascular invasion, tumor cell necrosis, and high mitotic activity.

**Synonyms:** - Adrenal medullary paraganglioma, malignant - Malignant Adrenal Gland Chromaffin Neoplasm - Malignant Adrenal Gland Chromaffin Neoplasm - Malignant Adrenal Gland Chromaffin Paraganglioma - Malignant Adrenal Gland Chromaffin Paraganglioma - Malignant Adrenal Gland Chromaffin Tumor - Malignant Adrenal Gland Chromaffin Tumor - Malignant Adrenal Gland Chromaffinoma - Malignant Adrenal Gland Chromaffinoma - Malignant Adrenal Gland Paraganglioma - Malignant Adrenal Gland Paraganglioma - Malignant Adrenal Gland Pheochromocytoma - Malignant Adrenal Medullary Paraganglioma - Malignant Adrenal Medullary Paraganglioma - Malignant Adrenal Medullary Pheochromocytoma - Malignant Adrenal Medullary Pheochromocytoma - Malignant Adrenal Pheochromocytoma - Malignant Adrenal Pheochromocytoma - Malignant Pheochromocytoma - Malignant Pheochromocytoma - Metastatic Pheochromocytoma - PHEOCHROMOCYTOMA, MALIGNANT - Pheochromoblastoma - Pheochromoblastoma - Pheochromoblastoma - Pheochromocytoma, malignant