Lymphangioma

Jul 7, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Lymphangioma

Lymphangioma Brenda L. Nelson, DDS, MS Lester D. R. Thompson, MD Key Facts Terminology Cystic hygroma Malformation of lymphatic system, generally considered congenital Etiology/Pathogenesis Associated with chromosomal abnormalities Clinical Issues…

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Nuchal-type Fibroma

Jul 7, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Nuchal-type Fibroma

Nuchal-type Fibroma Brenda L. Nelson, DDS, MS Lester D. R. Thompson, MD Key Facts Terminology Benign, hyalinized, fibroblastic proliferation involving dermis and subcutis Clinical Issues Most common in posterior neck…

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Necrotizing Otitis Externa

Jul 7, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Necrotizing Otitis Externa

Necrotizing Otitis Externa Bruce M. Wenig, MD Key Facts Etiology/Pathogenesis External otitis related to Pseudomonas aeruginosa infection Clinical Issues Diabetic, chronically debilitated, or immunologically deficient patients Primarily affects older patients…

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Central Odontogenic Fibroma

Jul 7, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Central Odontogenic Fibroma

Central Odontogenic Fibroma Brenda L. Nelson, DDS, MS Key Facts Terminology Rare, benign, odontogenic neoplasm of inactive-appearing odontogenic epithelium embedded in mature fibrous stroma Etiology/Pathogenesis Considered to be of periodontal…

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Cystadenocarcinoma (Papillary)

Jul 7, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Cystadenocarcinoma (Papillary)

Cystadenocarcinoma (Papillary) Lester D. R. Thompson, MD Key Facts Terminology Malignant epithelial salivary gland neoplasm characterized by predominantly cystic growth with intraluminal papillae Clinical Issues Slowly growing, painless swelling or…

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Lymphoepithelial Carcinoma

Jul 7, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Lymphoepithelial Carcinoma

Lymphoepithelial Carcinoma Bruce M. Wenig, MD Key Facts Terminology Undifferentiated carcinoma with associated prominent nonneoplastic lymphoplasmacytic cell infiltrate Etiology/Pathogenesis Etiology linked to Epstein-Barr virus (EBV) Near 100% association in patients…

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