Inflammation – morphological pattern types

Appearance (description) of different macroscopic and microscopic pathophysiological types of inflammation and examples of their associated causes:

  • serous – e.g. blister
  • fibrinous – acute rhematic fever, ischaemic necrotic pericarditis
  • purulent (liquefactive necrosis / pyogens) – folliculitis, furunculosis, carbuncle, cellulitis, erysipelas, lymphangitis
  • membranous – Diphtheria, pseudomembranous colitis
  • histiocytic – Typhoid (Salmonella typhus)
  • interstitial / perivascular – viral, rickettsial, syphilitic
  • granulomatous – Syphilis, fungal, berylliosis, foreign body, tuberculoid, sarcoid, cat scratch, lymphogranuloma venereum, leprosy, brucellosis

Further

Hannoodee S, Nasuruddin DN. Acute Inflammatory Response. [Updated 2020 Nov 26]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK556083/. 

Oort J, Scheper RJ. Histopathology of acute and chronic inflammation. Agents and actions. Supplements. 1977 (3):25-30. DOI: 10.1007/978-3-0348-7290-4_3.

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