II. Causes: Pathognomonic Lesions

  1. Behcet's Disease
    1. See Oral Ulcer for differential diagnosis
    2. Recurrent and numerous Oral Ulcers involving the Soft Palate and oropharynx
  2. Crohn's Disease
    1. Diffuse mucosal swelling, comble-stoning and deep linear ulcers
    2. Pathognomonic "snail-track" ulcers known as pyostomatitis vegetans
  3. Lichen Planus
    1. Erosive: Diffuse erythema and painful ulcers (with radiating striae peripherally)
    2. Reticular: White lacy striae typically over the Buccal mucosa
  4. Lupus Erythematosus
    1. Oral discoid lesions with central, well-demarcated erythema or ulcer and surrounding striae radiating outward
    2. Silver scarred Plaques (honeycomb Plaques)
    3. Purpura or Petechiae may also be present
  5. Pemphigoid (benign mucous membrane)
    1. Oral Blister followed by ulceration
    2. Contrast with Pemphigus where Blisters are rarely seen intact
  6. Pemphigus Vulgaris (Oral Ulcers are the presenting concern in 50-80% of patients)
    1. See Oral Ulcer for differential diagnosis
    2. Diffuse and painful Oral Ulcers may precede skin findings

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Ontology: Other and unspecified lesions of oral mucosa (C0348725)

Concepts Disease or Syndrome (T047)
ICD10 K13.7
SnomedCT 197516008
English Oth+unspc lesns/oral mucosa, Other and unspecified lesions of oral mucosa, [X]Oth+unspc lesns/oral mucosa, [X]Other and unspecified lesions of oral mucosa, [X]Other and unspecified lesions of oral mucosa (disorder)
German Sonstige und nicht naeher bezeichnete Laesionen der Mundschleimhaut
Korean 구강점막의 기타 및 상세불명의 병터
Spanish [X]otras lesiones y las no especificadas de la mucosa bucal (trastorno), [X]otras lesiones y las no especificadas de la mucosa bucal
Dutch Overige gespecificeerde en niet gespecificeerde afwijkingen van mondslijmvlies