derives from/develops from Sertoli cell Sertoli cell tumor cell 2020-03-27T10:58:07Z A sex cord-gonadal stromal tumor of Sertoli cells. They can occur in the testis or ovary. They are very rare and generally peak between the ages of 35 and 50. They are typically well-differentiated, and may be misdiagnosed as seminomas as they often appear very similar. BTO:0006417 BrendaTissueOBO Marion Sertoli cell tumour cell