T-cell receptor diversity as a prognostic biomarker in melanoma patients.

There is increasing evidence that T-cell receptor (TCR) repertoire diversity can be a predictive biomarker of immune responses in cancer patients. However, the characteristics of the T-cell repertoire together with its prognostic significance in melanoma patients and impact on disease progression remain unknown. We investigated the combinatorial TCR repertoire diversity by semi-quantitative multi-N-plex PCR in peripheral blood samples from 44 melanoma patients together with seven matched metastatic lymph nodes and explored its potential predictive value on clinical prognosis.

Cutaneous Collagenous Vasculopathy: Report of Two Cases Presenting as Disseminated Telangiectasias and Review of the Literature.

Cutaneous collagenous vasculopathy is a recently described idiopathic microangiopathy characterized by acquired diffuse cutaneous telangiectasias and specific histological features: dilated capillaries in the superficial dermis, with walls thickened by hyaline material containing collagen IV by immunohistochemistry. The authors describe 2 cases and review all cases reported in the literature to date, 34 cases including our own. Cases were mainly observed in women (sex ratio 0.