Acute Myeloid Leukemia with RAM Immunophenotype: A Pediatric Case with Unusual Morphologic Features

Area of Science:

• Hematology
• Pediatric Oncology
• Cancer Biology

Background:

• Acute Myelogenous Leukemia (AML) is a heterogeneous disease.
• The RAM immunophenotype is a recently identified AML subtype.
• This subtype is associated with an extremely poor clinical prognosis.

Observation:

• A 5-year-old patient with AML and RAM immunophenotype is presented.
• The patient experienced a poor outcome despite early hematopoietic cell transplantation.
• Unusual morphologic features were noted in conjunction with the distinct immunophenotype.

Findings:

• The RAM immunophenotype in AML is linked to dismal outcomes.
• Morphologic abnormalities can serve as diagnostic indicators for this AML variant.
• Early hematopoietic cell transplant did not alter the poor prognosis in this case.

Implications:

• The RAM immunophenotype may represent a distinct subtype of AML.
• Recognition of specific morphologic features could aid in early diagnosis.
• Further research is warranted to understand and potentially improve outcomes for AML with RAM immunophenotype.