Hallmark of ICD is perturbation of the skin barrier and epidermal regenerative hyperproliferation
Hallmark of ACD is spongiosis
Irritant contact stomatitis
Soft tissue oral lesions
Reactive lesions
Appearance
Associated conditions
Location
Microscopic
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Inflammatory papillary hyperplasia
Benign lesion characterized by hyperemic mucosa with one or more bulbous or nodular growth measuring less than 2 mm
Palatal torus
Candida albicans infections
Use of upper dentures
smoking
poor oral condition
Hard palate
Papillary projection covered with stratified squamous epithelium
underlying edematous connective tissue with chronic inflammatory infiltrate
Fibrous hyperplasia
Mucocele
Necrotizing sialometaplasia
Periodontal abscess
Periapical abscess
Tumors
Appearance
Associated conditions
Locations
Microscopic
Image
Epithelial tumors
Squamous cell carcinoma
Oral epithelial dysplasia
Proliferative verrucous leukoplakia
Papillomas
Condyloma acuminatum
Verrucous vulgaris
Multifocal epithelial hyperplasia
Salivary type tumors
Mucoepidermoid carcinoma
Pleomorphic adenoma
Soft tissue and Neural tumors
Granular cell tumor
Rhabdomyoma
Lymphangioma
Hemangioma
Schwannoma
Neurofibroma
Kaposi sarcoma
Myofibroblastic sarcoma
Hematolymphoid tumors
CD-30 positive lymphoproliferative disorder
Plasmablastic lymphoma
Langerhan cell histiocytosis
Extramedullary myeloid sarcoma
Tumors of uncertain histiogenesis
Congenital granular cell epulis
Solitary, somewhat pedunculated fibroma like lesion attached to the alveolar ridge near the midline
Gum pads
Sheets of closely packed large, rounded polygonal cells with abundant granular, eosinophilic cytoplasm and a single basophilic nucleus and scant fibrous stroma
Stained diffusely but strongly for vimentin and neuron specific esolase (NSE) pointing towards mesenchymal cell or nerve tissue as probable source of origin and negative for smooth muscle actin (SMA) and S-100
Ectomesenchymal chondromyxoid tumor
Asymptomatic slow growing solitary nodule nodule in the anterior dorsal tongue