Organ: Adrenal gland
There is a large, kind of yellowish, benign tumor. It has a capsule, an expansile border and is well-demarcated.
The black part of the prep is probably a haemorrhage in association with the tumor.
Diagnosis: Adrenal adenoma
- Nothing special
These tumors are “silent” in 80% of cases, meaning they don’t produce hormones. In the remaining 20% of cases they can produce aldosterone or cortisol, causing Conn syndrome or Cushing syndrome, respectively.
These tumors are usually yellow due to their lipid content, however the formalin fixation for this preparation has made it less yellow.
43. Papillary carcinoma of the thyroid gland