Testicular adrenal rest tumour

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Testicular adrenal rest tumour, abbreviated TART, is a rare tumour associated with increased 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.