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hypodermitis

Monday 15 March 2004

panniculitis

WKP

Examples

- Subcutaneous fat necrosis of newborn : lobular panniculitis with needle-shaped clefts in radial array

Digital cases

- JRC:10 : Weber-Christian disease.
- http://www.virtualpathology.leeds.ac.uk/slides/library/

Morphological types

- septal hypodermitis / septal panniculitis
- lobular hypodermitis / lobular panniculitis
- cytophagic histiocytic panniculitis
- neutrophilic panniculitis

Etiology

- erythema nodosum

  • subacute nodular migratory panniculitis/erythema nodosum migrans

- erythema induratum

- connective tissue disease panniculitis

- lipoatrophy

  • lipodystrophy
  • localized lipoatrophy
    • involutional lipoatrophy
    • inflammatory lipoatrophy
      • lipophagic panniculitis/granulomatous lipoatrophy

- factitial panniculitis and traumatic panniculitis

  • injection induced (steroids, insulin, narcotics, other drugs )
  • sclerosing lipogranuloma
  • blunt trauma

- cold panniculitis

  • popside panniculitis
  • equestrian panniculitis

- panniculitis of newborn of infants

- drug-induced panniculitis

  • direct effect
  • systemic effect
    • post-steroid panniculitis
    • ciprofloxacin

- alpha1-antitrypsin deficiency-associated panniculitis
- calcifying panniculitis

  • renal failure
  • parathyroid disease

- pancreatic panniculitis
- gouty panniculitis

- panniculitis with cytophagic histiocytes

- eosinophilic panniculitis

  • parasitic infection
  • Well syndrome
  • incidental findings of eosinophils in other forms of panniculitis

- lipomembranous panniculitis
- non-infectious subcutaneous granulomatous disease

- infectious panniculitis
- subcutaneous Whipple disease
- hemorrhagic panniculitis secondary to atheromatous emboli
- vasculitis involving the panniculus

  • periarteritis nodosa

- Weber-Christian disease

See also

- hypodermis
- hypodermal anomalies

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