Pathology Image Detail

Caption

This is a densely cellular solid mammary neoplasm. There is nuclear palissading at the periphery of the neoplasm. There are multiple small areas of cornification and coagulation necrosis at the center of the neoplasm. Neoplastic cells are polygonal to fusiform, with indistinct cell borders and a moderate amount of strongly acidophilic to amphophilic cytoplasm. The nucleus is central, ovale, medium-sized and slightly hyperchromatic. Anisokaryosis and anicosytosis are mild to moderate.

Description

Mammary gland, myoepithelioma

Age at Necropsy

207 days

Contributor

Mikaelian I (J:94320)

Pathologist

Mikaelian I (J:94320)

Method

H&E

Model

MMHC ID
MTB:25458
Tumor Name
Myoepithelial cell • myoepithelioma
Treatment Type
None (spontaneous)
Tumor Synonyms
mammary gland myoepithelioma
Organ Affected
Mammary gland
Frequency
observed
Reference
J:94320

Strain

Strain
BALB/cJ
Strain Types
inbred
Strain Synonyms
B alb C
BALB/cJ, H-2d
Balb/CJ
BALB/cJax
BALB
C
Balb/cJ
BALBc
WT
Strain Sex
Female
Reproductive Status
reproductive status not specified
Age of Detection
207 days