A rare manifestation of indolent systemic mastocytosis and its management during the coronavirus disease 2019 pandemic; educational lessons from Syria.

The diagnosis of indolent systemic mastocytosis can be quite a challenge due to its wide spectrum of clinical manifestations. We are reporting a case of misdiagnosed indolent systemic mastocytosis in a 41-year-old male that has been wrongly treated first as a Non-Hodgkin lymphoma. The patient had generalized lymphadenopathy and eosinophilia, which are rare manifestations of indolent systemic mastocytosis.