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Κυριακή 20 Αυγούστου 2017

Cutaneous Indeterminate Cell Histiocytosis of Donor Origin After Allogeneic Hematopoietic Stem-Cell Transplantation

imageAbstract: Allogeneic hematopoietic stem-cell transplantation and solid-organ transplantation are associated with an increased risk of secondary neoplasms. Indeterminate cell histiocytosis (ICH) is a rare disease composed of so-called indeterminate cells, an alleged cutaneous dendritic cell subset displaying histological and some ultrastructural and immunophenotypic features of Langerhans cells but lacking Birbeck granules. We report a case of cutaneous ICH occurring after allogeneic hematopoietic stem-cell transplantation for a myelodysplastic syndrome in a 56-year-old man. Microsatellite analysis demonstrated that the neoplastic cells were derived from the donor's hematopoietic system. This case broadens the spectrum of complications after stem-cell transplantation and demonstrates that cutaneous ICH in the setting of myelodysplastic syndromes may have a nonrelated origin to dysplastic myeloid cells.

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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,

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