A case of cutaneous bullous mastocytosis in a Yorkshire terrier puppy.

BACKGROUND

Cutaneous bullous mastocytosis (CBM) is a rare disease characterised by erythroderma, bullae formation on trunk, scalp and extremities which evolve to erosions.

OBJECTIVE

To describe a rare variant of cutaneous mastocytosis and treatment options.

ANIMAL: A 7-month-old Yorkshire terrier puppy with erythroderma and bullae formation.

METHODS

Clinical examination (including haematological, biochemical and radiographic), skin biopsy, histopathological and immunohistochemical evaluation.

CONCLUSION AND CLINICAL RELEVANCE: The case fulfills the criteria of CBM, representing a rare entity that is reported to be associated with spontaneous regression. However, in severe cases treatment with systemic corticosteroids, H1 and H2 antihistamines, and masitinib can be performed.