Nasal tissue-derived hamartoma in the maxillary gingiva of a calf.
BMC Vet Res
; 12: 19, 2016 Jan 22.
Article
in En
| MEDLINE
| ID: mdl-26801628
ABSTRACT
BACKGROUND:
All of oral hamartomas has been previously found in mandibular gingiva in younger calves, and were histologically diagnosed as a vascular hamartoma. This is the first case report describing a calf with a mass in the maxillary gingiva that was histologically diagnosed as a nasal tissue-derived hamartoma. CASE PRESENTATION A 13-day-old male Holstein calf presented with a horn-like mass in the left rostral maxillary gingiva. Surgical removal revealed that the mass had a dual structure composed of cartilaginous and soft tissues and extended deeply toward the nasal cavity. Excised tissues mainly consisted of two types of mature cells without mitotic figures and atypia 1) the cartilage-like structures consisted of an island and a meandering massive focus of mature cartilaginous tissues, and 2) tubular structures consisting of stratified ciliated mucosal columnar cells with gland-like structures and aggregated goblet cells. The mass was diagnosed as a nasal tissue-derived hamartoma because these two types of structures were histologically identical to nasal structures. The present case had no recurrence at 1 year after surgery.CONCLUSIONS:
To our knowledge, this is the first description of the calf with nasal tissue-derived hamartoma in the maxillary gingiva.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Cattle Diseases
/
Gingival Diseases
/
Hamartoma
/
Maxilla
/
Nasal Cavity
Limits:
Animals
Language:
En
Journal:
BMC Vet Res
Journal subject:
MEDICINA VETERINARIA
Year:
2016
Document type:
Article
Affiliation country:
Japan