UV-based phototherapy (including psoralen plus UVA (PUVA), UVB and UVA1) has a long,
successful history in the management of numerous cutaneous disorders. Photoresponsive …

Indeterminate dendritic cell tumor (IDCT) is a cutaneous proliferation of histiocytes that share
morphologic and immunophenotypic properties with Langerhans cells. IDCT was recently …

Indeterminate cell histiocytosis (ICH) is a very rare histiocytic disorder, primarily involving the
skin. It affects more frequently adults, often presenting with a generalized papular eruption …

Background Blueberry muffin is a descriptive term for a neonate with multiple purpuric skin
lesions. Many causes are known, amongst them life-threatening diseases like congenital …

Langerhans cell histiocytosis (LCH) is a rare disease characterized by a proliferation of cells
that show immunophenotypic and ultrastructural similarities with antigen-presenting …

Indeterminate dendritic cell tumor (IDCT) is a rare disease composed of so-called
indeterminate cells, a dendritic cell subset displaying histological and some ultrastructural …

Background Cutaneous and mucocutaneous histiocytosis (group C) comprise a wide variety
of entities affecting skin and/or mucosae. Although they are considered as reactive …

Context.—Although rare in everyday practice, the initial presentation of hematopoietic
neoplasms other than lymphoma in the musculoskeletal system and other extranodal sites …

Indeterminate cell histiocytosis (ICH) is an extremely rare cutaneous neoplastic disorder. It
has the immunophenotypic features of both Langerhans and non‐Langerhans cell …

Langerhans cell histiocytosis is a rare disease with an unknown pathogenesis. It is thought
that environmental factors, infections, immunological and genetic factors play a role in its …