Synonym(s)
Acute lymphatic leukemia; lymphoblastic leukemia; lymphoblastic lymphosarcoma; malignant lymphoma with small non cleaved follicle center cells; Paramyeloblastic leukemia; Stem cell leukemia
DefinitionThis section has been translated automatically.
Lymphoma of high malignancy, which can immunologically show B (B-LBL), or T cells (T-LBL) Specific skin lesions are rare.
ManifestationThis section has been translated automatically.
Especially occurring in children.
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Clinical featuresThis section has been translated automatically.
Solitary, but also multiple nodes of different sizes, often ulcerated.
HistologyThis section has been translated automatically.
Regardless of their provenance (B or T cells) similar histological pattern: Dense, diffuse, monomorphic infiltrate in dermis and subcutis. Sometimes starry sky-like pattern (starry sky). Cytomorphologically, medium or large cell lymphoblasts are found, with round or angular nuclei with irregularly distributed chromatin, usually narrow cytoplasmic border, interspersed with large macrophages.
Immunohistology:
B-LBL: positive for: CD20, CD10, CD43, CD34.
T-LBL: positive for: CD1a, CD3, CD43; negative for B-cell markers
Differential diagnosisThis section has been translated automatically.
Myelomonocytic leukemias; mantle cell lymphoma; Merkel cell tumor;
skin metastases of a small cell bronchial carcinoma.
skin metastases of a small cell bronchial carcinoma.
LiteratureThis section has been translated automatically.
- Kaddu S, Cerroni L, Kerl H (2003) Leukemias of the skin. In: Kerl H et al (ed.) Histopathology of the skin. Springer publishing house, Berlin Heidelberg New York, S. 917-919
Incoming links (5)
Angioimmunoblastic T cell lymphoma; Leukemias, lymphatic of the skin; Malignant lymphoma with small non cleaved follicle center cells; Paramyeloblastic leukemia; Stem cell leukemia;Disclaimer
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.