A Sertoli cell nodule is a

benign Malignancy () is the tendency of a medical condition to become progressively worse. Malignancy is most familiar as a characterization of cancer. A ''malignant'' tumor contrasts with a non-cancerous ''benign'' tumor in that a malignancy is not s ...

proliferation of

Sertoli cell Sertoli cells are a type of sustentacular "nurse" cell found in human testes which contribute to the process of spermatogenesis (the production of sperm) as a structural component of the seminiferous tubules. They are activated by follicle-stimu ...

s that arises in association with

cryptorchidism Cryptorchidism, also known as undescended testis, is the failure of one or both testes to descend into the scrotum. The word is from Greek () 'hidden' and () 'testicle'. It is the most common birth defect of the male genital tract. About 3% of ...

(undescended testis). They are not composed of a clonal cell population, i.e.

neoplastic A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ...

; thus, technically, they should not be called an '' adenoma''. __TOC__

Pathology

Sertoli cell nodules are unencapsulated nodules that consist of: # cells arranged in well-formed tubules (that vaguely resemble immature Sertoli cells), with # bland hyperchromatic oval/round nuclei that are stratified, and # may contain eosinophilic (hyaline) blob in lumen (centre). Image:Sertoli cell nodule intermed mag.jpg,

Micrograph A micrograph or photomicrograph is a photograph or digital image taken through a microscope or similar device to show a magnified image of an object. This is opposed to a macrograph or photomacrograph, an image which is also taken on a m ...

of a Sertoli cell nodule.

H&E stain Hematoxylin and eosin stain ( or haematoxylin and eosin stain or hematoxylin-eosin stain; often abbreviated as H&E stain or HE stain) is one of the principal tissue stains used in histology. It is the most widely used stain in medical diagnos ...

. Image:Sertoli cell nodule low mag.jpg,

of a Sertoli cell nodule.

Pathology

References

Further reading