Book contents
- Frontmatter
- Contents
- List of contributors
- Preface
- 1 Histiocytic disorders of children and adults: introduction to the problem, overview, historical perspective and epidemiology
- 2 The diagnostic histopathology of Langerhans cell histiocytosis
- 3 Histiocyte function and development in the normal immune system
- 4 The immunological basis of Langerhans cell histiocytosis
- 5 The genetics of Langerhans cell histiocytosis
- 6 Langerhans cell histiocytosis: a clinical update
- 7 Histiocytosis of the skin in children and adults
- 8 Langerhans cell histiocytosis of bone
- 9 Special aspects of Langerhans cell histiocytosis in the adult
- 10 Adult lung histiocytosis
- 11 Central nervous system disease in Langerhans cell histiocytosis
- 12 The treatment of Langerhans cell histiocytosis
- 13 Treatment of relapsed and/or refractory Langerhans cell histiocytosis
- 14 Late effects of Langerhans cell histiocytosis and its association with malignancy
- 15 Uncommon histiocytic disorder: the non-Langerhans cell histiocytoses
- 16 The histopathology of hemophagocytic lymphohistiocytosis
- 17 Genetics and pathogenesis of hemophagocytic lymphohistiocytosis
- 18 Clinical aspects and therapy of hemophagocytic lymphohistiocytosis
- 19 Secondary haemophagocytic syndromes associated with rheumatic diseases
- 20 Malignancies of the monocyte/macrophage system
- 21 Psychosocial aspects of the histiocytic disorders: staying on course under challenging clinical circumstances
- Index
- Plate section
5 - The genetics of Langerhans cell histiocytosis
Published online by Cambridge University Press: 27 August 2009
- Frontmatter
- Contents
- List of contributors
- Preface
- 1 Histiocytic disorders of children and adults: introduction to the problem, overview, historical perspective and epidemiology
- 2 The diagnostic histopathology of Langerhans cell histiocytosis
- 3 Histiocyte function and development in the normal immune system
- 4 The immunological basis of Langerhans cell histiocytosis
- 5 The genetics of Langerhans cell histiocytosis
- 6 Langerhans cell histiocytosis: a clinical update
- 7 Histiocytosis of the skin in children and adults
- 8 Langerhans cell histiocytosis of bone
- 9 Special aspects of Langerhans cell histiocytosis in the adult
- 10 Adult lung histiocytosis
- 11 Central nervous system disease in Langerhans cell histiocytosis
- 12 The treatment of Langerhans cell histiocytosis
- 13 Treatment of relapsed and/or refractory Langerhans cell histiocytosis
- 14 Late effects of Langerhans cell histiocytosis and its association with malignancy
- 15 Uncommon histiocytic disorder: the non-Langerhans cell histiocytoses
- 16 The histopathology of hemophagocytic lymphohistiocytosis
- 17 Genetics and pathogenesis of hemophagocytic lymphohistiocytosis
- 18 Clinical aspects and therapy of hemophagocytic lymphohistiocytosis
- 19 Secondary haemophagocytic syndromes associated with rheumatic diseases
- 20 Malignancies of the monocyte/macrophage system
- 21 Psychosocial aspects of the histiocytic disorders: staying on course under challenging clinical circumstances
- Index
- Plate section
Summary
Langerhans cell histiocytosis (LCH) is a rare disorder with heterogeneous clinical manifestations (Aricò and Egeler, 1998). A continuous effort by the clinical investigators, especially in the pediatric field, has led to improved, standardized definitions of the clinical and pathologic diagnostic criteria (Chu et al., 1987; Broadbent et al., 1989; Favara et al., 1997). On this basis, better comparison of pathological and clinical data, including retrospective evaluation of large series of patients, has improved our clinical knowledge of LCH, including the isolated or uncommon manifestations (The French LCH Study Group, 1996; Willis et al., 1996). Moreover, this has been the basis for development of multicenter, international prospective clinical trials, producing definition of standard treatment for LCH in children (Gadner et al., 2001).
Over a century after the first reports, despite these recent advances in clinical management and some very interesting findings from basic research, LCH remains an intriguing disease with many unanswered questions. The etiology and pathogenesis remain largely undefined, and we still are unable to understand why it has such heterogeneous clinical behavior in the absence of identifiable differences in pathology of involved tissues. Although localized skin or bone disease is usually regarded as a benign, self-healing disease, there is a continuing debate as to the possible neoplastic origin of the disseminated form of LCH, which can be associated with a severe course and a high mortality rate (Gadner et al., 2001).
- Type
- Chapter
- Information
- Histiocytic Disorders of Children and AdultsBasic Science, Clinical Features and Therapy, pp. 83 - 94Publisher: Cambridge University PressPrint publication year: 2005
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