• Thumbnail for Langerhans cell histiocytosis
    Langerhans cell histiocytosis (LCH) is an abnormal clonal proliferation of Langerhans cells, abnormal cells deriving from bone marrow and capable of migrating...
    37 KB (3,961 words) - 00:01, 3 September 2024
  • Thumbnail for Langerhans cell
    in association with the condition Langerhans cell histiocytosis (LCH). In skin infections, the local Langerhans cells take up and process microbial antigens...
    21 KB (2,280 words) - 17:42, 22 October 2024
  • Thumbnail for Chronic multifocal Langerhans cell histiocytosis
    multifocal Langerhans cell histiocytosis, previously known as Hand–Schüller–Christian disease, is a type of Langerhans cell histiocytosis (LCH), which...
    16 KB (1,588 words) - 19:53, 23 August 2024
  • lymphohistiocytosis (HLH) or Langerhans cell histiocytosis (LCH). The spectrum of non-langerhans cell histiocytoses include: Benign cephalic histiocytosis Generalized...
    6 KB (450 words) - 07:44, 21 October 2024
  • classification of histiocytosis syndromes?". Medscape. Retrieved 4 December 2020. Chang KL, Snyder DS (2007). "17. Langerhans Cell Histiocytosis". In Ansell...
    9 KB (726 words) - 10:12, 12 August 2024
  • Thumbnail for Erdheim–Chester disease
    of white blood cells called histiocytes, or tissue macrophages (technically, this disease is termed a non-Langerhans-cell histiocytosis). It was declared...
    22 KB (2,228 words) - 19:53, 23 August 2024
  • Thumbnail for Histiocytoma (dog)
    of these cells. They include the following: Reactive diseases of Langerhans cells Histiocytomas Cutaneous histiocytosis Systemic histiocytosis Reactive...
    7 KB (697 words) - 08:48, 6 March 2024
  • Histiocyte (category Cell biology)
    rheumatoid nodules). Some sources consider Langerhans cell derivatives to be histiocytes. The Langerhans cell histiocytosis embeds this interpretation into its...
    6 KB (609 words) - 12:00, 10 August 2024
  • histiocytoma are best characterized as Langerhans cell histiocytosis (LCH) similar to that observed in humans. Systemic Histiocytosis (SH) was originally recognized...
    16 KB (2,179 words) - 23:09, 17 October 2023
  • Thumbnail for Tumors of the hematopoietic and lymphoid tissues
    dendritic cell neoplasms Histiocytic sarcoma Langerhans cell histiocytosis, NOS Langerhans cell histiocytosis, monostotic Langerhans cell histiocytosis, polystotic...
    24 KB (2,329 words) - 20:43, 2 October 2024
  • Thumbnail for Langerhans cell sarcoma
    Langerhans cell sarcoma (LCS) is a rare form of malignant histiocytosis. It should not be confused with Langerhans cell histiocytosis, which is cytologically...
    14 KB (1,574 words) - 12:57, 29 January 2023
  • Thumbnail for Rosai–Dorfman disease
    diseases, such as granulomatosis with polyangiitis, Langerhans cell histiocytosis, Langerhans cell sarcoma, lymphoma, sarcoidosis, IgG4-related disease...
    11 KB (1,078 words) - 05:21, 15 October 2024
  • melanoma, hairy cell leukemia, papillary thyroid carcinoma, colorectal cancer, non-small-cell lung cancer, Langerhans cell histiocytosis, Erdheim–Chester...
    8 KB (728 words) - 02:23, 29 November 2023
  • Thumbnail for Chest radiograph
    tuberculosis, silicosis/pneumoconiosis, ankylosing spondylitis, Langerhans cell histiocytosis) lower (e.g., cryptogenic fibrosing alveolitis, connective tissue...
    21 KB (2,464 words) - 16:30, 9 March 2024
  • have characteristics from both non-Langerhans cell histiocytosis (NLCH) and Langerhans cell histiocytosis (LCH) in terms of morphology and immunophenotypic...
    8 KB (668 words) - 04:13, 29 January 2024
  • Thumbnail for Interstitial lung disease
    Alveolar microlithiasis Cystic airspaces Chronic: Pulmonary Langerhans cell histiocytosis Pulmonary lymphangioleiomyomatosis Honeycomb lung caused by...
    29 KB (2,996 words) - 00:23, 19 November 2024
  • Thumbnail for Juvenile xanthogranuloma
    Juvenile xanthogranuloma is a form of histiocytosis, classified as non-Langerhans cell histiocytosis. It is a rare skin disorder that primarily affects...
    6 KB (599 words) - 08:45, 13 June 2024
  • myeloma Waldenström's macroglobulinemia Wiskott–Aldrich syndrome Langerhans cell histiocytosis (LCH) Lymphocyte-variant hypereosinophilia Pityriasis lichenoides...
    8 KB (776 words) - 14:33, 15 August 2024
  • Thumbnail for Letterer–Siwe disease
    In general, the cause of Langerhans Cell Histiocytosis is unknown. Regardless of the subtype of Langerhans cell histiocytosis, the pathologic hallmark...
    11 KB (1,233 words) - 17:06, 27 October 2024
  • Thumbnail for Basal-cell carcinoma
    Basal-cell carcinoma (BCC), also known as basal-cell cancer, basalioma or rodent ulcer, is the most common type of skin cancer. It often appears as a painless...
    55 KB (5,426 words) - 04:15, 2 November 2024
  • Thumbnail for Granuloma annulare
    necks, backs, ankles and wrists. Bumps are caused by the clustering of T cells below the skin. These papules start as very small, pimple looking bumps...
    13 KB (1,279 words) - 03:44, 22 September 2024
  • Thumbnail for Paronychia
    indicative of acrokeratosis paraneoplastica, which is associated with squamous-cell carcinoma of the larynx. Paronychia can occur with diabetes, drug-induced...
    14 KB (1,475 words) - 16:50, 22 October 2024
  • characterized by abnormal proliferation of Langerhans cells (LCs). LCs are antigen-presenting cells derived from dendritic cells. In humans, eosinophilic granulomas...
    14 KB (1,467 words) - 03:12, 8 November 2024
  • Thumbnail for Neurofibroma
    regulating the RAS-mediated cell growth signaling pathway. In contrast to schwannomas, another type of tumor arising from Schwann cells, neurofibromas incorporate...
    30 KB (3,257 words) - 16:53, 28 October 2024
  • Thumbnail for Cellulitis
    diagnosis is usually based on the presenting signs and symptoms, while a cell culture is rarely possible. Before making a diagnosis, more serious infections...
    31 KB (3,286 words) - 00:54, 14 October 2024
  • Thumbnail for Chickenpox
    A (IgA) antibodies; IgG antibodies persist for life and confer immunity. Cell-mediated immune responses are also important in limiting the scope and the...
    64 KB (6,444 words) - 17:54, 21 October 2024
  • Thumbnail for Vitiligo
    factors can disrupt redox reactions necessary for protein folding, so skin cells may initiate the unfolded protein response which releases cytokines, thus...
    42 KB (4,411 words) - 16:07, 13 November 2024
  • Thumbnail for Mycosis fungoides
    syndrome or granuloma fungoides, is the most common form of cutaneous T-cell lymphoma. It generally affects the skin, but may progress internally over...
    28 KB (3,053 words) - 12:59, 29 May 2024
  • Thumbnail for Dermatofibroma
    but a biopsy may be required. Other bumps such as granular cell tumor, melanoma, clear cell acanthoma and dermatofibrosis lenticularis disseminata may...
    7 KB (610 words) - 20:39, 8 May 2024
  • Thumbnail for Merkel-cell carcinoma
    Merkel cell carcinoma (MCC) is a rare and aggressive skin cancer occurring in about three people per million members of the population. It is also known...
    50 KB (5,542 words) - 17:33, 28 September 2024