{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T11:31:25Z","timestamp":1789039885044,"version":"build-2803163510"},"reference-count":40,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,11,18]],"date-time":"2020-11-18T00:00:00Z","timestamp":1605657600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Genes Chromosomes &amp; Cancer"],"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Hereditary leiomyomatosis and renal cell carcinoma (HLRCC) is an autosomal dominant familial syndrome that results from germline mutation in the <jats:italic>fumarate hydratase<\/jats:italic> (<jats:italic>FH<\/jats:italic>) gene and is associated with an increased risk for smooth muscle tumors of the uterus and skin and renal cell carcinoma. HLRCC associated RCC develop in up to 25% of patients, often presenting in the fourth decade and are high stage, aggressive tumors with poor clinical outcome. Most women with HLRCC develop large and bulky uterine smooth muscle tumors (USMT) in the second to third decade, thus presenting the ideal opportunity for early detection of HLCC to enable timely implementation of surveillance for their RCC risk. However, the concept of screening women with USMT for HLRCC is challenging given that HLRCC is rare but USMT are common. In addition, FH deficiency in USMT can also result from sporadic <jats:italic>FH<\/jats:italic> gene aberrations, unrelated to HLRCC, further complicating any potential screening process. Recent studies show that tumor morphology can be used to identify FH deficiency in USMT and thereby direct patients to formal genetic counseling. The low magnification clues of staghorn shaped blood vessels and alveolar pattern should prompt for high magnification examination for eosinophilic cytoplasmic inclusions and oval nuclei containing prominent eosinophilic macronucleoli surrounded by a halo. Additional clues include Schwannoma\u2010like growth and chain\u2010like distribution of the tumor cells. Although immunostains exist for FH and 2SC, their role is limited in the presence of well\u2010developed FH deficient morphology. The prevalence of germline pathogenic mutation in <jats:italic>FH<\/jats:italic> among women with USMT with FH deficient morphology is as high as 50% in some studies, with somatic <jats:italic>FH<\/jats:italic> mutation accounting for the remainder. Therefore, morphologic evaluation of USMT for features of FH deficiency can serve as a screening tool for HLRCC syndrome by triaging patients to formal hereditary risk assessment.<\/jats:p>","DOI":"10.1002\/gcc.22905","type":"journal-article","created":{"date-parts":[[2020,10,25]],"date-time":"2020-10-25T06:39:03Z","timestamp":1603607943000},"page":"210-216","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Hereditary leiomyomatosis and renal cell carcinoma syndrome associated uterine smooth muscle tumors: Bridging morphology and clinical screening"],"prefix":"10.1002","volume":"60","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0171-2275","authenticated-orcid":false,"given":"Karuna","family":"Garg","sequence":"first","affiliation":[{"name":"Department of Pathology University of California San Francisco  San Francisco California 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