Pathology Image Detail

Caption

Mammary adenocarcinoma: this photomicrograph illustrates a portion of the neoplasm that is cystic and presents a few papillary projections (upper right corner). The other portions of the neoplasm is composed of closely-packed glands.

Description

Adenocarcinoma, glandular, acinar, cystic, solid with secondary lumens, mammary gland

Age at Necropsy

unknown

Notes

This tumor forms fronds that are reminiscent of fronds observed in type P tumors. However, this neoplasm differs from type P tumors in that the mitotic activity is not most important at the tip of the fronds and ductal differentiation with squamous metaplasia are absent.

Contributor

Ward JM (J:107304)

Pathologist

Mikaelian I (J:94320)

Method

H&E

Model

MMHC ID
MTB:29296
Tumor Name
Mammary gland • adenocarcinoma - mixed
Treatment Type
None (spontaneous)
Tumor Synonyms
Adenocarcinoma, glandular, acinar, cystic, solid with secondary lumens, mammary gland
Organ Affected
Mammary gland
Frequency
observed
Reference
J:94320

Strain

Strain
STOCK Tg(MMTV-S100a4)507Oku
Strain Types
transgenic
General Note
This STOCK genetic background was a mixture of C57BL/6, GRS/A, and CBA.
Strain Synonyms
GRS/A-Tg(MMTVS100a4)xElu
Strain Sex
Female
Reproductive Status
reproductive status not specified
Age of Detection
unknown