FH and hereditary leiomyomatosis and renal cell cancer: Vocke et al. have explored the occurrence of FH gene mutations in a group of patients with phenotypic manifestations consistent with HLRCC reporting in the 13 families explored, 11 complete FH gene deletions, and 2 partial FH gene deletion; kidney cancer was diagnosed in 32% of these patients and in 54% of families possessing either complete or partial FH deletions [67].