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Updated: Jan 30, 2026

En Face Preparation of Mouse Blood Vessels
Published on: May 19, 2017
CD30-Positive Angioinvasive Lymphomatoid Papulosis (Type E) Developing from Parapsoriasis en Plaque
Taku Fujimura1, Chunbing Lyu1, Kenichiro Tsuchiyama1
1Department of Dermatology, Tohoku University Graduate School of Medicine, Sendai, Japan.
Abstract:
Angioinvasive lymphomatoid papulosis (LyP) type E is a rare variant characterized by angiocentric and angiodestructive features with CD30+ CD8+ lymphocyte infiltration. In rare cases, LyP type E is concomitant with mycosis fungoides, but there is no English report that describe LyP type E developing from parapsoriasis en plaque. In this report, we described a case of angioinvasive LyP (type E) developing from parapsoriasis en plaque, in which we employed immunohistochemical staining for the investigation of its pathomechanisms.
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