Ulcers


MICROBIAL ORIGIN

A) Bacterial
  • Streptococcal
  • Tuberculosis
  • Syphilis
  • Scarlet fever
  • Diphtheria
  • Typhoid
  • Noma

B) Fungal
  • Histoplasmosis
  • Blastomycosis
  • Paracoccidiodomycosis
  • Coccidiodomycosis
  • Cryptococcosis
  • Zygomycosis
  • Aspergilosis

C) Viral
  • Herpes
  • HIV
  • Pox virus

D) Protozoal
  • Entamoeba histolytica
  • Leishmaniasis
  • Toxoplasmosis

PHYSICAL ORIGIN

  • Cheek bite (Morsicatio buccarum)
  • Traumatic (TUGSE)
  • Thermal
  • Electrical
  • Osteoradionecrosis
  • Anaesthetic

CHEMICAL ORIGIN

  • Phenol
  • Silver nitrate
  • Hydrogen peroxide
  • Aspirin

IMMUNOLOGICAL

  • Behcet's syndrome
  • Reiter's syndrome
  • Erythema multiforme
  • Erosive lichen planus (secondary ulcer)
  • Lupus erythematosus
  • Sarcoidosis
  • Cyclic neutropenia
  • Ulcerative colitis
  • HIV
  • Pemphigus
  • Epidermolysis bullosa

METABOLIC ULCERS

  • Diabetes
  • Uremia
  • Neutropenia
  • Sickle cell anaemia
  • Agranulocytosis
  • Crohn's disease

NON-SPECIFIC ULCERS

  • HIV ulcers
  • Graft vs Host reaction
  • Necrotizing sialometaplasia
  • Reynaud's phenomenon
  • Bacterial angiomatosis

NEOPLASTIC

  • Squamous cell carcinoma
  • Mucoepidermoid carcinoma