Testicular adrenal rest tumour

From Libre Pathology
Revision as of 02:21, 15 July 2015 by Michael (talk | contribs) (tweak)
Jump to navigation Jump to search
Testicular adrenal rest tumour
Diagnosis in short

LM nests of eosinophilic cells interspersed with thin bands of fibrous tissue, mild (endocrine) nuclear atypia
LM DDx Leydig cell tumour
IHC melan A +ve
Site testis

Associated Dx congenital adrenal hyperplasia
Signs testicular masses (bilateral)
Prevalence extremely rare
Blood work serum ACTH elevated

Testicular adrenal rest tumour, abbreviated TART, is a rare tumour associated with increased adrenocorticotropic hormone (ACTH), typically seen in the context of congenital adrenal hyperplasia.[1]

General

  • Very rare.

Clinical:

  • Serum ACTH elevated.

Gross

  • Bilateral testicular masses.

Microscopic

Features:

  • Nests of eosinophilic cells interspersed with thin bands of fibrous tissue.
  • Mild (endocrine) nuclear atypia.

DDx:

Images

IHC

  • Melan A +ve.[2]

See also

References

  1. Olpin, JD.; Witt, B. (Feb 2014). "Testicular adrenal rest tumors in a patient with congenital adrenal hyperplasia.". J Radiol Case Rep 8 (2): 46-53. doi:10.3941/jrcr.v8i2.1489. PMID 24967019.
  2. Mizukami, H.; Hamamatsu, A.; Mori, S.; Hara, S.; Kuroda, M.; Nagai, T.; Fukunaga, T. (Mar 2011). "Autopsy and genetic diagnosis of 21-hydroxylase deficiency with bilateral testicular tumors in a case under no medication for over one year.". Forensic Sci Int 206 (1-3): e71-5. doi:10.1016/j.forsciint.2010.09.017. PMID 20951518.