An unusual cytogenetic translocation, t(8;13) (p11;q12), is described in a patient presenting with a CML-like myeloproliferative disorder associated with a high-grade T-cell lymphoma. Evidence is presented suggesting that the breakpoint region in the translocation involves a site implicated in both the T cell malignancy and the abnormal granulocyte proliferation.

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Aims-To establish a robust differential polymerase chain reaction (PCR) assay for the detection of c-erbB 2 amplification in breast cancer that can be used in a routine pathology laboratory. Once established, the assay was used in a prospective study of breast tumours to investigate the relation between c-erbB 2 amplification and both recognised prognostic features and short term clinical outcome. Methods-The differential PCR was used for the co-amplification of c-erbB 2 and a reference gene from 48 tumour DNA samples and control DNA samples. The ratio of the two genes was determined by image analysis of the PCR products electrophoresed on a highly resolving agarose gel.