OBSOLETE: Familial renal cell carcinoma

Familial renal cell carcinoma (familial RCC) is an obsolete disease classification previously used in Orphanet (ORPHA:151) to describe hereditary forms of kidney cancer occurring in multiple members of the same family. This entry has been retired because familial renal cell carcinoma is now understood to encompass several distinct genetic syndromes, each with specific molecular causes, inheritance patterns, and clinical features. These include von Hippel-Lindau disease (VHL gene mutations), hereditary papillary renal cell carcinoma (MET gene mutations), Birt-Hogg-Dubé syndrome (FLCN gene mutations), hereditary leiomyomatosis and renal cell cancer (FH gene mutations), and other defined entities. Because this entry is obsolete, patients and clinicians seeking information about hereditary kidney cancer should refer to the specific subtypes now individually classified. Each subtype affects the body differently: some are associated with clear cell renal carcinoma, others with papillary or chromophobe histologies, and many involve additional organ systems such as the skin, lungs, adrenal glands, or uterus. Treatment approaches vary by subtype but may include surgical resection, targeted therapies (such as tyrosine kinase inhibitors or mTOR inhibitors), active surveillance, and genetic counseling for at-risk family members. Early detection through regular screening in genetically confirmed individuals is a cornerstone of management across all hereditary RCC syndromes.

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