Adult t-cell leukaemia

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Adult t-cell leukaemia

lymph nodes show a mixture of small and large atypical cells which are polymorphic and express nuclear pleiomorphism. Adult t-cell leukaemia is caused by HTLV-1 and is rare in the US and Europe but common in japan. Tumour cells express cd2, cd3, CD5 and lack CD7. The most common chromosome change reported in adult t-cell leukaemia is presence of the 14q _ marker