Primary salivary gland neoplasia in three cows

Bundza, A.

doi:10.1016/0021-9975(83)90071-3

Cited by 10 publications

(4 citation statements)

References 1 publication

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“…In veterinary medicine, the most frequent tumors of salivary glands are acinic cell carcinoma and adenocarcinoma. 6,7 Acinic cell carcinomas are characterized by neoplastic round to polyhedral cells with basophilic granular cytoplasm arranged in acini or sheets. The neoplasm resembles a normal parotid gland except for the absence of ducts and lobular arrangements.…”

Section: Discussionmentioning

confidence: 99%

Adenocarcinoma of the parotid salivary gland in a cow

Salgado

Monteiro

Grandi

et al. 2012

Veterinary Clinical Pathol

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A 6-year-old Girolando dairy cow was presented for evaluation of a large subcutaneous facial mass. Fine-needle aspirates of the mass contained many neoplastic cells with high nuclear:cytoplasmic ratios arranged in sheets and loosely cohesive clusters with streaming erythrocytes and neutrophils in the background. Neoplastic cells were 13-25 μm in diameter and were round to cuboidal with variably distinct borders. Based on the signalment, anatomic location, and cytologic findings, differential diagnoses included salivary adenocarcinoma, squamous cell carcinoma, and mucoepidermoid carcinoma. The cow was euthanized and a necropsy was performed. The primary neoplasm arose from the left parotid salivary gland and meastatic tumor was found in the regional lymph nodes and lung. Histologically, the tumor was composed of anastomosing and irregular solid islets surrounded by scant stroma. Cells were negative for periodic acid-Schiff (PAS), PAS-diastase, and Alcian blue pH 2.5 stains, used to detect mucin. On immunohistochemical analysis, neoplastic luminal salivary gland cells expressed cytokeratin, but not S100, α-smooth muscle actin, or vimentin. Peripheral cells of neoplastic islets were immunoreactive for p63. The final diagnosis was nonsecretory adenocarcinoma of the parotid salivary gland.

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Section: Discussionmentioning

confidence: 99%

Adenocarcinoma of the parotid salivary gland in a cow

Salgado

Monteiro

Grandi

et al. 2012

Veterinary Clinical Pathol

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“…However, no significant effect was observed, and the calf was therefore referred to the KUVTH for diagnosis and treatment. Diseases that cause wheezing in calves include tracheal collapse and tracheal stenosis associated with rib fractures [5], infectious pharyngitis and bronchitis [3,16], and peri-airway tumors and abscess formation [2,9]. In this case, arterial blood gas analysis showed type II respiratory failure due to hypoxia and hypercapnia.…”

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confidence: 85%

A clinical case of a subepiglottic cyst in a Japanese Black calf

Yoneshige

Wada²,

Honkawa

et al. 2022

J. Vet. Med. Sci.

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A 36-day-old Japanese Black calf exhibited wheezing associated with dyspnea from birth. Arterial blood gas analysis revealed a low oxygen partial pressure of 51 mmHg, low oxygen saturation of 83%, and high carbon dioxide partial pressure of 58.8 mmHg. Computed tomography, endoscopy, and ultrasonography showed cyst formation under the epiglottis. When the cyst was aspirated under ultrasonic guidance to secure the airway, 30 ml of viscous white turbid content was aspirated.The cyst shrank immediately after aspiration, but the wheezing and respiratory symptoms resumed 7 days after aspiration. Therefore, the cyst was surgically removed from the ventral side of the neck. No cyst remodeling was observed 30 days after surgical removal.

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“…Salivary gland neoplasms are uncommon in all veterinary species, occurring most often in dogs and cats, 11,13 rarely in cattle, 2,16,17 and sporadically in nontraditional species [5][6][7] ; they remain unreported in swine. 13 A retrospective study including almost 600 tumors in cattle over a 45-y period identified no salivary neoplasms.…”

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confidence: 99%

“…13 A retrospective study including almost 600 tumors in cattle over a 45-y period identified no salivary neoplasms. 12 Documented reports of parotid salivary gland neoplasia in cattle include pleomorphic carcinoma (2 cases), 2 adenocarcinoma (2 cases), 16,17 and squamous cell carcinoma (1 case), 2 all occurring in dairy cows. The tumors were described as firm nonpainful masses on the side of the face and under the eye.…”

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confidence: 99%

High-grade mucoepidermoid carcinoma of the salivary gland in a bull

et al. 2022

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Salivary gland neoplasia is uncommon in veterinary species and has rarely been reported in cattle. Adenocarcinoma, squamous cell carcinoma, and pleomorphic carcinoma have been described in the parotid gland of dairy cows. Here we describe a case of high-grade mucoepidermoid carcinoma in a bull. The bull had a chronic history of caudal mandibular soft tissue swelling. Postmortem examination revealed a 30 × 30-cm mass with a caseonecrotic center, hemorrhage and necrosis of the ipsilateral cervical musculature, osteolysis of the right paracondylar process of the skull and right horn base, pulmonary nodules, and enlarged tracheobronchial lymph nodes. Histology of the mass, lungs, and lymph nodes revealed an invasive neoplasm composed of epithelial cells arranged in nests and ductular structures supported by a spindle cell stroma, with frequent central necrosis. Immunohistochemistry revealed that epithelial cells were diffusely positive for pancytokeratin and p63 with multifocal vimentin positivity; stromal cells were diffusely positive for vimentin and α-SMA. A salivary gland mucoepidermoid carcinoma was diagnosed based on these findings. Although rare, salivary gland neoplasia should be considered a differential diagnosis for mandibular masses in cattle.

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Primary salivary gland neoplasia in three cows

Cited by 10 publications

References 1 publication

Adenocarcinoma of the parotid salivary gland in a cow

Adenocarcinoma of the parotid salivary gland in a cow

A clinical case of a subepiglottic cyst in a Japanese Black calf

High-grade mucoepidermoid carcinoma of the salivary gland in a bull

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