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[Primary cutaneous CD30-positive anaplastic large cell lymphoma]
1Department of Pathology, Nanjing General Hospital of PLA, Nanjing 210002, China.
Zhonghua Bing Li Xue Za Zhi = Chinese Journal of Pathology
|February 28, 2002
Summary
Primary cutaneous CD30-positive anaplastic large cell lymphoma (ALCL) presents with distinct skin lesions. Early diagnosis is aided by histopathology and CD30 positivity, indicating a favorable prognosis.
Area of Science:
- Dermatopathology
- Oncology
- Immunohistochemistry
Background:
- Primary cutaneous CD30-positive anaplastic large cell lymphoma (ALCL) is a rare skin cancer.
- Accurate diagnosis is crucial for appropriate management and prognosis.
Purpose of the Study:
- To analyze clinical, pathological, and immunohistochemical features of primary cutaneous CD30-positive ALCL.
- To improve early and differential diagnosis criteria for this condition.
Main Methods:
- Histopathological examination of 9 cases.
- Immunohistochemical staining for markers including CD30, CD45RO, and CD20.
Main Results:
- The study included 9 patients (6 males, 3 females; age 31-84).
- Clinical presentation involved subcutaneous masses or papular eruptions.
- Histopathology revealed large pleomorphic cells with CD30 positivity; CD45RO and CD20 expression varied.
- Prognosis was relatively favorable, with some cases showing metastasis or recurrence.
Conclusions:
- Primary cutaneous CD30-positive ALCL is morphologically distinct.
- CD30 positivity is a significant diagnostic marker.
- Histopathologic features aid in differentiating it from other malignancies.