Although precursor T-lymphoblastic leukaemia-lymphoblastic lymphoma is observed mainly in children and adolescents, reports of cutaneous involvement are mainly in adult patients [22,24]. Clinically, patients present with localized or generalized large cutaneous-subcutaneous tumours (Fig. 8.4) [22,24]. Involvement of the central nervous system may be observed.
Fig. 8.2 Cutaneous involvement in T-cell prolymphocytic leukaemia. Erythematous scaly lesions on the face in a patient with erythroderma.
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