Differential Diagnosis
DDx Strength: Weak
Gingival-alveolar mucosa, Multiple skin lesions Add or remove findings

Differential too broad. Edit Findings to refine your results.

Mucous membrane pemphigoid

Mucous membrane pemphigoidMucous membrane pemphigoid

Pemphigus vulgaris

Pemphigus vulgarisPemphigus vulgaris

Pyostomatitis vegetans

Pyostomatitis vegetansPyostomatitis vegetans

Paraneoplastic pemphigus

Paraneoplastic pemphigusParaneoplastic pemphigus

Factitial ulcer

Factitial ulcerFactitial ulcer

Herpes simplex virus

Herpes simplex virusHerpes simplex virus

Herpes zoster

Herpes zosterHerpes zoster

Orofacial herpes simplex virus

Orofacial herpes simplex virusOrofacial herpes simplex virus



Crohn disease

Crohn diseaseCrohn disease

Hereditary hemorrhagic telangiectasia

Hereditary hemorrhagic telangiectasiaHereditary hemorrhagic telangiectasia

Non-Hodgkin lymphoma

Non-Hodgkin lymphomaNon-Hodgkin lymphoma

Tuberous sclerosis

Tuberous sclerosisTuberous sclerosis

AIDS-associated Kaposi sarcoma

AIDS-associated Kaposi sarcomaAIDS-associated Kaposi sarcoma

Cytomegalovirus infection

Cytomegalovirus infectionCytomegalovirus infection

Secondary syphilis

Secondary syphilisSecondary syphilis

Addison disease

Addison diseaseAddison disease

Chronic graft-versus-host disease

Chronic graft-versus-host diseaseChronic graft-versus-host disease

Darier disease

Darier diseaseDarier disease

Disseminated herpes zoster

Disseminated herpes zoster

Epidermolysis bullosa acquisita

Epidermolysis bullosa acquisitaEpidermolysis bullosa acquisita

Langerhans cell histiocytosis

Langerhans cell histiocytosisLangerhans cell histiocytosis

Methotrexate-induced mucocutaneous toxicity

Methotrexate-induced mucocutaneous toxicity

Multiple endocrine neoplasia type 1

Multiple endocrine neoplasia type 1Multiple endocrine neoplasia type 1

Mycoplasma pneumoniae-induced rash and mucositis

Mycoplasma pneumoniae-induced rash and mucositis

Warty dyskeratoma

Warty dyskeratomaWarty dyskeratoma

Acquired dermal melanocytosis

Acquired dermal melanocytosis

Anti-p200 pemphigoid

Anti-p200 pemphigoid



Behçet syndrome

Behçet syndromeBehçet syndrome

Birt-Hogg-Dubé syndrome

Birt-Hogg-Dubé syndromeBirt-Hogg-Dubé syndrome

Cowden disease

Cowden diseaseCowden disease

Granulomatosis with polyangiitis

Granulomatosis with polyangiitisGranulomatosis with polyangiitis

Hand, foot, and mouth disease

Hand, foot, and mouth diseaseHand, foot, and mouth disease



Laugier-Hunziker syndrome

Laugier-Hunziker syndromeLaugier-Hunziker syndrome

Leukocyte adhesion deficiency type 1

Leukocyte adhesion deficiency type 1

Multicentric reticulohistiocytosis

Multicentric reticulohistiocytosisMulticentric reticulohistiocytosis

Papillon-Lefevre syndrome

Papillon-Lefevre syndrome



Rift Valley fever

Rift Valley fever



South American hemorrhagic fever

South American hemorrhagic fever

Xanthoma disseminatum

Xanthoma disseminatumXanthoma disseminatum

Dermatopathia pigmentosa reticularis

Dermatopathia pigmentosa reticularis

Lipoid proteinosis

Lipoid proteinosisLipoid proteinosis

Minocycline drug-induced pigmentation

Minocycline drug-induced pigmentationMinocycline drug-induced pigmentation

Drug-induced pigmentation

Drug-induced pigmentationDrug-induced pigmentation

Denture-induced hyperplasia

Denture-induced hyperplasiaDenture-induced hyperplasia

Oral squamous cell carcinoma

Oral squamous cell carcinomaOral squamous cell carcinoma



Oral candidiasis

Oral candidiasisOral candidiasis

Oral melanotic macule

Oral melanotic maculeOral melanotic macule

Oral mucosal wart

Oral mucosal wartOral mucosal wart

Papular-purpuric gloves and socks syndrome

Papular-purpuric gloves and socks syndromePapular-purpuric gloves and socks syndrome

Gingival hyperplasia

Gingival hyperplasiaGingival hyperplasia

Oral papilloma

Oral papillomaOral papilloma



Multifocal or diffuse mucosal pigmentation

Multifocal or diffuse mucosal pigmentationMultifocal or diffuse mucosal pigmentation

Oral lichen planus

Oral lichen planusOral lichen planus