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Cutaneous trichilemmal cysts in three dogs
1Department of Clinical Sciences, New York State College of Veterinary Medicine, Cornell University, Ithaca 14853.
The Cornell Veterinarian
|July 1, 1991
Summary
Multiple cutaneous trichilemmal cysts in dogs are benign and surgically curable. These asymptomatic skin lesions, characterized by unique keratinization, did not recur after removal in a small case series.
Area of Science:
- Veterinary dermatology
- Canine pathology
- Surgical oncology
Background:
- Cutaneous trichilemmal cysts are uncommon adnexal neoplasms.
- Understanding their presentation and behavior in dogs is crucial for diagnosis.
Purpose of the Study:
- To describe the clinical and histological features of cutaneous trichilemmal cysts in dogs.
- To evaluate the recurrence rate after surgical excision.
Main Methods:
- Case series review of three dogs with cutaneous trichilemmal cysts.
- Clinical examination and surgical excision of lesions.
- Histopathological evaluation of cyst wall and contents.
Main Results:
- Three dogs presented with multiple, asymptomatic cutaneous trichilemmal cysts.
- Lesions were located on the dorsal lumbar, lateral thoracic, dorsal neck, and cranial carpal regions.
- Histology confirmed trichilemmal differentiation and amorphous keratin; no recurrences were noted post-surgery.
Conclusions:
- Cutaneous trichilemmal cysts in dogs are benign, non-recurrent after complete surgical removal.
- Histological features include unique cyst wall differentiation and keratin composition.