The alimentary tract includes the oral cavity, esophagus, stomach, intestine, and rectum.
These structures all share the same basic structure and consist of an epithelial‐lined cavity …

Mesotheliomas are uncommon neoplasms that arise from mesothelial cells in either the
abdominal or thoracic cavities and are rarely diagnosed in cats. A 10-y-old spayed female …

Peritonitis in cats is a serious problem that can often prove fatal. Mild or non-specific clinical
signs can delay definitive diagnosis and treatment. Therefore awareness of the possibility of …

Mesothelioma is a rare malignant neoplasm that affects the mesothelial cells lining the
thoracic and abdominal cavities, such as the pleura, peritoneum, and pericardium. It is most …

Mesothelioma has been reported frequently in large felids. These neoplasms present a
diagnostic challenge given their highly variable morphology that mimics carcinomas or …

An 8‐year‐old male neutered Korean shorthair cat presented with chronic vomiting.
Radiographically, an oval‐shaped soft tissue abdominal mass caudoventral to the left …

A 15‐year‐old male North American cougar (Felis concolor) presented with a 2‐day history
of anorexia, restlessness, and dyspnea. White blood cell count (22.5× 103 cells/μL) and …

A 12‐year‐old Irish Sport Horse gelding was presented with a two‐day history of acute onset
dyspnoea, pyrexia, tachycardia and ventral sternal oedema. A pleural effusion was …

A slaughtered 2-year-old female sika deer (Cervus nippon yesoensis) had diffusely
distributed multinodular lesions on the serosal surface of the peritoneal cavity and several …

A spontaneous reactive mesothelial hyperplasia occurred in a female, 15.7-year-old African
green monkey (grivet; Chlorocebus aethiops). At necropsy, massive effusions were found in …