
Head and Neck Pathology

of
the
Head and Neck
An Overview of
Head & Neck Topics...
Squamous Lesions
Salivary
Glands
Nasal Cavity & Sinuses
Thyroid & Parathyroid
Oral Cavity & Oropharynx
Ear &
Temporal Bone
Pharynx & Larynx
Mandible & Maxilla
Squamous Lesions
Benign
-
Candidiasis
-
Leuko/Erythroplakia
-
Lichen Planus
-
Vesiculobullous Dz
-
Epulis
-
Granular Cell Tumor
-
Pyogenic Granuloma
Dysplastic
-
Reactive changes
-
Low grade dysplasia
-
High grade dysplasia
Malignant
-
Squamous Cell Carcinoma
-
Keratinizing​
-
Traditional SCC​
-
-
Non-Keratinizing
-
HPV (Oropharynx)​
-
EBV (Nasopharynx)
-
-

-
aka "Oral Thrush"
-
Most common oral fungal infection, often by Candida albicans
-
Commonly described as being a plaque in the oral cavity (tongue, mouth, esophagus) that can be "wiped off" with scraping
-
Hence the "pseudomembrane" descriptor​ often used
-
High Yield Factoids...
CLICK TO EXAMINE
VIRTUAL
SLIDE
-
Thickened epithelium
-
Broad rete
-
Neutrophils on surface
-
Yeast & Pseudohyphae piercing the squamous epithelium
-
Flaking/Flakey squamous "tufts"
-
"Shish-ka-bob" of fungal pseudophyphae "spearing" the squamous epithelium






Click on an image to open and view full size...

-
These are clinical terms to describe the appearance of a plaque
-
LEUKOplakia= WHITE plaque
-
ERYTHROplakia= RED plaque
-
Leukoerythroplakia= Red & White
-
-
Usually present on the lateral tongue​
-
Can represent infection, hyperkeratosis, hyperplasia, dysplasia, or even cancer
-
Oral hairy leukoplakia (shown right) occurs in HIV patients and is associated with EBV (Epstein Barr Virus)