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DentOralPath 31-60

Dentistry: oral pathology 31-60 (online)

<img src=" "> Pemphigus. Medium power photomicrograph of direct immunofluorescence preparation. There is staining for antibodies in the intercellular spaces of the stratified squamous epithelium.
<img src=" "> Herpes (primary): Multiple ulcers on the labial mucosa commissures and gingiva.
<img src=" "> Epidermolysis bullosa. The hands demonstrate ruptured bullae severe scarring and loss of nails.
<img src=" "> Tattoo: A thickened nontender black surface lesion on the left buccal mucosa. A tattoo can sometimes be thickened due to fibrosis.
<img src=" "> Lupus erythematosus skin: Scaly hyperkeratotic lesion on nose.
<img src=" "> Herpes zoster: Vesicles crusted ulcers and erythema of the upper lip extending to the midline.
<img src=" "> Mucous membrane pemphigoid. Note the ginvial erythema and ulceration.
<img src=" "> Erythema multiforme: Vesicles on the lips.
<img src=" "> Herpes zoster: Ulcers and erythema in a unilateral distribution on the hard palate. These lesions represent maxillary involvement of the trigeminal nerve.
<img src=" "> Mucous retention phenomenon (salivary extravasation). Low-power photomicrograph showing a lobule of normal salivary gland tissue adjacent to a circumscribed pool of mucus. Hematoxylin and eosin stain.
<img src=" "> Epulis fissuratum. A lobulated soft tissue enlargement is present in the maxillary left mucolabial fold. The flange of the denture would fit between the rolls of tissue.
<img src=" "> Papilloma. Medium power photomicrograph showing acanthosis and hyperkeratosis with underlying loose connective tissue. Hematoxylin and eosin stain.
<img src=" "> Varicella (chickenpox). An erythematous papule on the skin.
<img src=" "> Familial epithelial hyperplasia (white sponge nevus): Diffuse white epithelial thickening of the left buccal mucosa.
<img src=" "> Candidosis. Note white plaques which will rub off on the left buccal mucosa.
<img src=" "> Aphthous ulcer. Note the ulcer on the nonkeratinized epithelium of the buccal mucosa.
<img src=" "> Dermoid or epidermoid cyst. A large compressible well-circumscribed soft tissue enlargement is present in the floor of the mouth. It is elevating the tongue.
<img src=" "> Lichen planus: Microscopic image showing hyperkeratosis elongation of the rete ridges and a dense infiltrate of lymphocytes underneath the epithelium.
<img src=" "> Lichen planus: White striae of right buccal muocsa.
<img src=" "> Mucous retention phenomenon; mucocele - Salivary extravasation phenomenon: A well circumscribed blue compressible enlargement of the commissure area. The lesion does not blanch upon pressure.
<img src=" "> Mucous membrane pemphigoid demonstrating gingival erythema.
<img src=" "> Squamous cell carcinoma (superficially invasive): A nontender erythematous pebbly plaque is present on the left soft palate and tonsillar pillar area.
<img src=" "> Fordyce granules: Note the yellow plaques with a smooth surface. Fordyce granules represent sebaceous glands and are not pathologic.
<img src=" "> Hemangioma: Purple compressible lesion of the left soft palate. The lesion blanches upon pressure.
<img src=" "> Lymphoma. An erythematous firm soft tissue enlargement partially covering the external auditory canal.
<img src=" "> Gingival cyst: A circumscribed soft tissue enlargement on the gingiva.
<img src=" "> Adenoid cystic carcinoma. In this view we can appreciate the ductal spaces with their pink product contrasting with the paler material in the others.
<img src=" "> Irritation fibroma (polypoid fibrous hyperplasia): Microscopic image showing dense connective tissue and a surface of keratinized stratified squamous epithelium.
<img src=" "> Lichen planus: Erythema and white epithelial thickening of right lateral border of tongue.
<img src=" "> Squamous cell carcinoma (superficially invasive): An asymptomatic red patch with white rough areas is present on the left soft palate.
Created by: umichdent
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