Abstract
ABSTRACT Objective: To report a case of carotid body paraganglioma occurring in conjunction with a succinate dehydrogenase complex subunit D (SDHD) gene mutation with comorbidities of multiple retroperitoneal paragangliomas and pheochromocytoma. This case emphasizes the importance of performing genetic analyses in all cases of paragangliomas with carotid body involvement, multifocal origin, or concurrent pheochromocytoma to identify potential hereditary tumor susceptibility. We also emphasize the importance of familial screening of all first-degree family relatives of patients who test positive for germline mutations. Methods: A 30-year-old male underwent surgery to excise a carotid body tumor and multiple retroperitoneal masses and to perform a partial adrenalectomy. Results: Pathologic evaluation of carotid body and retroperitoneal specimens confirmed that they were histologically and immunohistochemically consistent with paragangliomas. The excised adrenal gland specimen tested positive for pheochromoc...
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