Chloroma is due to –
Clinical features of AML 

The clinical findings in AML are similar to those in ALL i.e., suppression of normal hematopoisis in the marrow that results in -


Anemia → Fatigue, pallor
Neutropenia → Infection, Fever
Thrombocytopenia → Spontaneous mucosal and cutaneous bleeding. This is the most striking clinical feature.

Others

Tumor cells in acute promyelocytic leukemia (M3) release procoagulant and fibrinolytic factors that cause Disseminated hatravascular coagulation IC).
Monocytic differentiation type (M4 and M3) may present with infiltration of skin (leukemia cutis) and gingival hypertrophy.
Chloromas (granulocytic sarcomas or myeloblastomas) are localize masses composed of myeloblasts in the absence of marrow or peripheral blood involvement.
Lymphodenopathy, Hepatosplenomegaly, CNS involvement and testicular involvement are less common than ALL.
AML
CLL
ALL
Non Hodgkin's lymphoma