Results of appropriate studies return and are shown:
| CBC |
Normal |
| Blood chemistry panel |
Normal |
| Urinalysis |
Normal |
Thoracic and abdominal radiographs: No evidence of metastases.
Cytology of aspirated mandibular lymph node: Similar cells with and without granules are observed among the lymphocytes, indicating a metastasis of the nose tumor.
Histopathology of the nose mass: Pleomorphic population of variably shaped neoplastic cells arranged in nests and whirls with occasional brown pigment granules in cytoplasm, marked anisocytosis and anisokaryosis, and frequent mitotic figures. Findings are consistent with a malignant neoplasm.