Significance of cytological smear evaluation in diagnosis of splenic mast cell tumor-associated systemic mastocytosis in a cat (Felis catus).

An 8-year-old cat was presented with vomiting and weight loss. Histopathology and cytology revealed systemic mastocytosis, a rare condition and a clinical challenge. This case emphasizes the significance of cytological evaluation of smears in diagnosis of mastocytosis and in confirmation in biopsy specimens.