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Cutaneous manifestations of Mycoplasma pneumoniae infection in a 2-year-old boy – A case report Cover

Cutaneous manifestations of Mycoplasma pneumoniae infection in a 2-year-old boy – A case report

Open Access
|Dec 2025

Figures & Tables

Photos 1 and 2

show the child’s skin lesions. A generalized maculopapular rash was observed on the skin, confluent and spread over the entire body, sparing only the hairy scalp. The lesions consisted of numerous red macules and papules ranging from 1 to 5 mm in diameter. The rash was symmetrical and widespread, with a marked tendency to involve large areas of the skin, including classic locations such as the elbow creases, armpits, neck, and face. The most pronounced lesions were seen on the lateral face, shoulders, chest, and abdomen. Some lesions showed a tendency to merge into larger patches, particularly on the back and shoulders.
show the child’s skin lesions. A generalized maculopapular rash was observed on the skin, confluent and spread over the entire body, sparing only the hairy scalp. The lesions consisted of numerous red macules and papules ranging from 1 to 5 mm in diameter. The rash was symmetrical and widespread, with a marked tendency to involve large areas of the skin, including classic locations such as the elbow creases, armpits, neck, and face. The most pronounced lesions were seen on the lateral face, shoulders, chest, and abdomen. Some lesions showed a tendency to merge into larger patches, particularly on the back and shoulders.

Laboratory Test Results

ParameterResultReference Range
Erythrocytes4,94,2–5,4 milion/μl
Hemoglobin1412–16 g/dl
Hematocrit4237–47%
Platelets443150–400 thousand/μl
Leukocytes14,94–10 thousand/μl
Neutrophils (thousand/μl)3,362–8 thousand/μl
Lymphocytes (thousand/μl)9,301–5 thousand/μl
Monocytes (thousand/μl)0,910,2–0,8 thousand/μl
Eosinophils (thousand/μl)1,310–0,5 thousand/μl
Basophils (thousand/μl)0,050–0,1 thousand/μl
Neutrophils (%)22,550–70%
Lymphocytes (%)62,320–45%
Monocytes (%)6,12–8%
Eosinophils (%)8,80–5%
Basophils (%)0,30–1%
CRP<1,00–5 mg/dl
Mycoplasma pneumonie IgM>27,00Negative result: <10 AU/ml, Positive result: ≥10 AU/ml
Total IgE1090–100 lU/ml
DOI: https://doi.org/10.2478/bgbl-2025-0020 | Journal eISSN: 2956-6851 | Journal ISSN: 0373-174X
Language: English
Page range: 105 - 112
Accepted on: Sep 19, 2025
Published on: Dec 10, 2025
Published by: The Medical Library named after S. Konopka in Warsaw
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2025 Karolina Domańska, Iga Kałka, Krystyna Klahs, Kaja Nieradka, Natalia Piegza, published by The Medical Library named after S. Konopka in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.