But first, we must understand what is an Ulcer.
Ulcers: Is the complete loss of epithelium. Always Heals with a scar
Erosion: is a superficial damage leading to partial loss of epithelium. No Scar Formation
In The Comparison and previous image, the difference between an ulcer and erosion is quite easy to understand.
|Physical or Chemical||Acid Burn, Heat Burn, Traumatic , Biting|
|Microbial||Bacterial||Necrotizing Ulcerative Gingivitis, TB, Syphilis|
|Viral||Herpes Simplex, Herpes Zoster, Herpangina, Hand, foot and mouth disease|
|Neoplasm||Squamous Cell Carcinoma|
|Immunological reactions||Aphthous ulcers, Behcet’s syndrome, Pemphigus Vulgaris, Mucous Membrane Pemphigoid, Lupus Erythematosus, Lichen Planus, Epidermolysis Bullosa, Drug Eruption|
|Blood disorders||Anemia, Leukemia, Neutropenia|
|Gastrointestinal Disease||Coeliac Disease, Ulcerative Colitis, Crohn’s Diseases|
By Precursor Lesion
- Definition: an ulcer that isn’t preceded by a vesiculobullous lesion
- Systemic “GIT or blood disorders”
- Aphthous ( The Most Common Oral Ulcers Read here about here)
- Behcet’s syndrome
- Reiter’s Syndrome
- Definition: an Ulcer that is preceded by a vesiculobullous lesion.
- Types: These vesicles may be sub-epithelial or intraepithelial (Acantholytic or Non- acantholytic)
- Bullous Pemphigoid
- Mucous Membrane Pemphigoid
- Erythema Multiforme
- Bullous Lichen Planus
- Epidermolysis Bullosa
- Drug Eruption
- Non – Acantholytic: Death and rupture of groups of epithelial cells.
- Herpes Simplex
- Herpes Zoster
- Hand, foot and mouth disease
- Acantholytic: Destruction of intercellular attachments.
- Pemphigus Vulgaris
- Darier’s Disease
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