In recent years, dermatologic manifestations in oncohematologic patients have become more common.
The aim of our study was to determine the incidence and heterogeneity of skin manifestations in patients followed at our Hematology Department.
This observational monocentrical study was conducted on 60 patients. We divided the observed conditions in exanthematous, purpuric, vesicular‐bullous, papulonodular, urticarial, and eczematous manifestations. Moreover, all lesions were classified according to pathogenesis, in (a) specific skin manifestations, caused by neoplastic skin infiltration; (b) immune‐mediated manifestations, based on immunological mechanisms; and (c) skin lesions due to immunodeficiency.
Altogether, 73 clinical manifestations were reported. Specific manifestations (a) were detected in 15.1% of the cases, mainly with papulonodular appearance. Immune‐mediated manifestations (b) were found in 37 cases (50.7%), particularly with eczematous or exanthematous appearance, and leukemia was the malignancy most frequently reported in these patients. Eventually, lesions due to immunosuppression (c) were reported in 34.2% of the cases. They were represented by infections and cutaneous malignancies, and usually manifested with papulonodular lesions.
Skin lesions in oncohematologic patients are a common event. A multidisciplinary approach based on the collaboration between the hematologist and the dermatologist is crucial to achieve a proper diagnosis, and correctly manage these manifestations.
Surgical resection, chemotherapy and radiotherapy were, for many years, the only available cancer treatments. Recently, the use of immune checkpoint inhibitors and adoptive cell therapies has emerged as promising alternative. These cancer immunotherapies are aimed to support or harness the patient’s immune system to recognize and destroy cancer cells. Preclinical and clinical studies, based on the use of T cells and more recently NK cells genetically modified with chimeric antigen receptors retargeting the adoptive cell therapy towards tumor cells, have already shown remarkable results. In this review, we outline the latest highlights and progress in immunotherapies for the treatment of Diffuse Large B-cell Lymphoma (DLBCL) patients, focusing on CD19-targeted immunotherapies. We also discuss current clinical trials and opportunities of using immunotherapies to treat DLBCL patients.
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