Disease

Articles

• pyoderma gangrenosum
  11 February 2004

  Definition: Pyoderma gangrenosum (PG) is an uncommon, chronic ulcerative condition of the skin that was first described in 1930. It can occur in any age group, but only 4% of the patients are infants or children. An underlying systemic disease is present in approximately 50% of the patients with PG.
  The most common associations include inflammatory bowel disease, arthritis, lymphoproliferative disorders and chronic recurrent multifocal osteomyelitis (CRMO).
  Pyoderma gangrenosum (PG) is a (...)

• amyotrophic lateral sclerosis
  23 September 2003

  ALS

• 22q11.2 deletion syndrome
  3 October 2003

  DiGeorge syndrome, DiGeorge’s syndrome, 22q11 deletion syndrome, CATCH22, DiGeorge disease

• sarcoidosis
  22 September 2003

  Sarcoidosis is a granulomatous disorder of unknown etiology, associated with an accumulation of CD4+ T cells and a TH1 immune response. WP
  Images
  hepatic sarcoidosis https://twitter.com/Hopkins_GI_Path/status/675402892036173826
  cutaneous sarcoidosis https://twitter.com/RyanHickMD/status/731249607909351424
  Sarcoidosis: all types of giant cells and endogenous inclusions occur, none are specific https://twitter.com/smlungpathguy/status/879435684540538884
  Links
  Sarcoidosis in (...)

• Cystic fibrosis
  27 June 2003

  mucoviscidosis

• epidermolysis bullosa simplex
  19 March 2004

  Types
  KRT14-associated epidermolysis bullosa simplex Koebner type epidermolysis bullosa simplex (MIM.131900) Dowling-Meara type epidermolysis bullosa simplex (MIM.131760) recessive epidermolysis bullosa simplex Weber-Cockayne type epidermolysis bullosa simplex (MIM.131800)
  References
  Schroder R, Kunz WS, Rouan F, Pfendner E, Tolksdorf K, Kappes-Horn K, Altenschmidt-Mehring M, Knoblich R, van der Ven PF, Reimann J, Furst DO, Blumcke I, Vielhaber S, Zillikens D, Eming S, Klockgether T, (...)

• relapsing polychondritis
  16 June 2004

  CLINICAL: painful erythema and edema involving both ears and nose, eventually leading to flabby ears and saddle nose
  HISTOPATHOLOGY: mixed inflammatory infiltrate (lymphocytes, plasma cells, and neutrophils) involving the deep dermis and cartilage. Cartilage cell vacuolisation and pyknosis leading to total destruction and replacement by fibrous tissue
  DIFFERENTIAL: chondrodermatitis nodularis chronica (...)

• xeroderma pigmentosum
  6 March 2004

  XP

• chondrodermatitis nodularis helicis
  16 June 2004

  chondrodermatitis nodularis chronica helicis
  Images
  Chondrodermatitis nodularis helicis https://twitter.com/maxkong2011/status/753078285731524609
  Differential diagnosis
  actinic keratosis
  relapsing polychondritis
  cutaneous ulcer

• cutaneous bullous diseases
  11 May 2004

  cutaneous blistering diseases; bullous dermatoses; bullous dermatose
  CLASSIFICATION:
  INTRAEPIDERMAL
  — subcorneal - intragranular layers
  — spinous layer
  — suprabasal layer
  SUBEPIDERMAL
  Etiological classicication
  genetic bullous diseases
  acquired bullous diseases infectious bullous diseases auto-immune bullous diseases
  RETURN TO:
  skin cutaneous lesions cutaneous lesional syndromes dermatitis
  References
  Jonkman MF. Hereditary skin diseases of hemidesmosomes. J Dermatol (...)

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