Category Archives: Biopsy

Chordoma in a Ferret

Chordoma in a Ferret History: mass on the tail that had been there several months with sudden changes in size. Histopathology: The subcutis contains a well demarcated, unencapsulated, moderately cellular neoplasm composed of sheets of large vacuolated round cells (physaliferous … Continue reading

Posted in Biopsy | Tagged , , , | 2 Comments

Signet Ring type malignant melanoma in a cat

Signet Ring type malignant melanoma in a cat** History: Axillary mass from an 11 year-old cat. Histopathology: This specimen consists of sheets of neoplastic cells, with many lymphocytes dispersed throughout the population of neoplastic cells. These lymphocytes sometimes form nodules. These neoplastic … Continue reading

Posted in Biopsy | Tagged , | 1 Comment

Luteinizing follicular cyst in a dog

Luteinizing follicular cyst in a dog History: Tissue from an 11 month old female Great Dane.  The tissue was removed during a routine spay surgery and submitted for histopath due to abnormal appearance. Ovary:  In each section examined there are primary … Continue reading

Posted in Biopsy | Tagged , , | Leave a comment

Interstitial Cell Tumor in a dog

Interstitial Cell Tumor in a dog History:  The testicles from an 11 year old male German Shepherd were submitted for histopathology after castration. The dog had been showing signs of feminization and endocrine disease such as flank alopecia, pruritis, enlarged mammae, small … Continue reading

Posted in Biopsy | Tagged , , , , | Leave a comment