Sex cord tumour with annular tubules

Sex cord tumour with annular tubules (SCTAT) is a rare ovarian tumour in the sex cord group of gonadal tumours.

Sex cord tumour with annular tubules
Other names	Sex cord tumor with annular tubules
Micrograph of a sex cord tumour with annular tubules. H&E stain.
Specialty	Gynecology

Pathology

These tumours may be seen in the context of Peutz–Jeghers syndrome or be sporadic.^[1] Large tumours are more likely to be sporadic. Small incidental tumours are more likely to be syndromic.

It has a distinctive appearance under the microscope, from which it derives its name.

• 
  Intermediate magnification
• 
  High magnification

Prognosis

Generally, they are considered to be benign; however, occasional malignant cases are reported.^[2]

See also

• Ovarian cancer