Cellulitis with leukocytopenia as an initial sign of acute promyelocytic leukemia
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Updated: May 22, 2026

Assessment of the Metabolic Profile of Primary Leukemia Cells
Published on: November 21, 2018
Sachiko Sakamoto1, Naoki Oiso, Masakatsu Emoto
1Department of Dermatology, Kinki University Faculty of Medicine, Osaka-Sayama, Japan.
Insights
Cellulitis with leukocytopenia can be an early indicator of acute promyelocytic leukemia in immunosuppressed patients. This finding highlights the importance of considering hematologic malignancy in patients presenting with these symptoms.
Area of Science:
- Hematology
- Oncology
- Dermatology
Background:
- Hematologic malignancies often cause immunosuppression, increasing infection risk.
- Acute promyelocytic leukemia (APL), or acute myeloid leukemia M3, arises from the t(15;17) chromosomal translocation.
- Infections can be the initial clinical manifestation in patients with compromised immune systems.
Observation:
- A case study of a 71-year-old male patient is presented.
- The patient exhibited cellulitis and leukocytopenia.
- These symptoms were the first signs of an underlying condition.
Findings:
- The patient was diagnosed with acute promyelocytic leukemia.
- Cellulitis with leukocytopenia was identified as the presenting sign of APL.
- This suggests a potential link between these symptoms and the malignancy.
Implications:
- Dermatologists and hematologists should consider APL in patients with cellulitis and leukocytopenia.
- Early recognition of this presentation can lead to prompt diagnosis and treatment of hematologic malignancies.
- This case underscores the importance of a multidisciplinary approach in managing complex patient presentations.
Abstract:
Patients with hematologic malignancies are immunosuppressive and may develop cutaneous or invasive infections as a primary sign of immune suppression. Acute promyelocytic leukemia (acute myeloid leukemia M3) is caused by translocation of reciprocal chromosomal rearrangement t(15;17), which produces an oncogenic protein. We herein describe a 71-year-old man having cellulitis with leukocytopenia as a first sign of acute promyelocytic leukemia. Dermatologists and hematologists should keep in mind that patients with a hematologic malignancy, such as acute promyelocytic leukemia, can develop cellulitis with leukocytopenia.
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