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Related Experiment Videos

Acute monocytic leukemia presenting as cutaneous involvement.

K Nakano1, H Kusakabe, K Kiyokane

  • 1Department of Dermatology, Osaka Medical College, Osaka, Japan. der008@poh.osaka-med.ac.jp

Dermatology (Basel, Switzerland)
|January 21, 2000
PubMed
Summary

Skin lesions can signal acute monocytic leukemia (AMoL) before blood tests. This case highlights early skin nodule diagnosis of AMoL, leading to successful treatment and remission.

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Area of Science:

  • Hematology
  • Dermatology
  • Oncology

Background:

  • Specific cutaneous lesions are more common in acute monocytic leukemia (AMoL) than other leukemias.
  • Skin involvement preceding leukemic cells in peripheral blood is rare in AMoL.
  • Early diagnosis of AMoL can be challenging, especially when skin manifestations are the initial sign.

Observation:

  • A 25-year-old male presented with multiple infiltrative erythemas and nodules on his arms.
  • Histological examination revealed dermal nodules composed of tumor cell masses.
  • Initial peripheral blood tests showed no abnormalities.

Findings:

  • Bone marrow aspiration confirmed acute monocytic leukemia (AMoL).
  • Cytochemical studies on bone marrow smears and biopsy specimens of cutaneous nodules confirmed the diagnosis.
  • The cutaneous lesions were indicative of specific AMoL involvement.

Implications:

  • Cutaneous nodules can serve as an early diagnostic marker for acute monocytic leukemia.
  • Prompt diagnosis through skin biopsy can facilitate timely initiation of treatment.
  • Combination chemotherapy and stem cell transplantation achieved complete remission, demonstrating treatment efficacy.

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