DZI20-208-Case-1

Sequence	Case	Clinical history	Diagnosis
1	DZI20-208-Case-1 DZI20-208-Case-1	38 yo F with PTC. Pretracheal lymph node 38 yo F with PTC. Pretracheal lymph node	FROZEN SECTION DIAGNOSIS #1; (PRETRACHEAL LYMPH NODES): Psammoma bodies are present, consistent with metastatic PTC. FROZEN SECTION DIAGNOSIS #1; (PRETRACHEAL LYMPH NODES): Psammoma bodies are present, consistent with metastatic PTC.
2	DZI20-208-Case-2 DZI20-208-Case-2	28 yo M with mandibular cyst 28 yo M with mandibular cyst	FROZEN SECTION DIAGNOSIS #1 (LEFT MANDIBULAR LESION): Squamous nonkeratinized epithelial lined cyst with focal mucin, most consistent with dentigerous cyst. Permanent: C/w dentigerous cyst FROZEN SECTION DIAGNOSIS #1 (LEFT MANDIBULAR LESION): Squamous nonkeratinized epithelial lined cyst with focal mucin, most consistent with dentigerous cyst. Permanent: C/w dentigerous cyst
3	DZI20-208-Case-3 DZI20-208-Case-3	66 yo M "oral inflammation" Midline palate biopsy 66 yo M "oral inflammation" Midline palate biopsy	FROZEN SECTION DIAGNOSIS #1; (MIDLINE PALATE BIOPSY): Benign papillary squamous hyperplasia. Permanent: MIDLINE PALATE BIOPSY: Markedly inflamed papillary squamous mucosa with pseudoepitheliomatous hyperplasia and squamous nests consistent with sialometaplasia. FROZEN SECTION DIAGNOSIS #1; (MIDLINE PALATE BIOPSY): Benign papillary squamous hyperplasia. Permanent: MIDLINE PALATE BIOPSY: Markedly inflamed papillary squamous mucosa with pseudoepitheliomatous hyperplasia and squamous nests consistent with sialometaplasia.
4	DZI20-208-Case-4 DZI20-208-Case-4	61 yo M with vocal cord lesion 61 yo M with vocal cord lesion	FROZEN SECTION DIAGNOSIS #1; (RIGHT TRUE VOCAL FOLD): High-grade dysplasia. Permanent: RIGHT VOCAL CORD LESION, BIOPSY: Squamous cell carcinoma in situ. FROZEN SECTION DIAGNOSIS #1; (RIGHT TRUE VOCAL FOLD): High-grade dysplasia. Permanent: RIGHT VOCAL CORD LESION, BIOPSY: Squamous cell carcinoma in situ.
5	DZI20-208-Case-5 DZI20-208-Case-5	61 yo M with vocal cord lesion. 1st slide: Left vocal fold lesion 2nd slide: Right vocal fold lesion Third slide: left anterior vocal fold lesion 61 yo M with vocal cord lesion. 1st slide: Left vocal fold lesion 2nd slide: Right vocal fold lesion Third slide: left anterior vocal fold lesion	FROZEN SECTION DIAGNOSIS #1; (LEFT VOCAL FOLD LESION): Squamous mucosa with mild to moderate atypia, deferred. FROZEN SECTION DIAGNOSIS #2; (RIGHT VOCAL FOLD LESION): Squamous mucosa with mild to moderate atypia, defer. FROZEN SECTION DIAGNOSIS #3; (LEFT ANTERIOR VOCAL FOLD LESION): Detached parakeratotic squamous epithelium. Permanent of FX1: Squamous mucosa with focal low grade dysplasia. FX2: Squamous mucosa with low grade dysplasia. FX3: Fragments of detached squamous epithelium with focal parakeratosis, cell debris, and bacterial/fungal forms. FROZEN SECTION DIAGNOSIS #1; (LEFT VOCAL FOLD LESION): Squamous mucosa with mild to moderate atypia, deferred. FROZEN SECTION DIAGNOSIS #2; (RIGHT VOCAL FOLD LESION): Squamous mucosa with mild to moderate atypia, defer. FROZEN SECTION DIAGNOSIS #3; (LEFT ANTERIOR VOCAL FOLD LESION): Detached parakeratotic squamous epithelium. Permanent of FX1: Squamous mucosa with focal low grade dysplasia. FX2: Squamous mucosa with low grade dysplasia. FX3: Fragments of detached squamous epithelium with focal parakeratosis, cell debris, and bacterial/fungal forms.
6	DZI20-208-Case-6 DZI20-208-Case-6	46 yo F undergoing R maxillectomy, 4.3 cm ill-defined tan-gray gelatinous multicystic mass abutting posterior margin. RS mass to posterior margin frozen. 46 yo F undergoing R maxillectomy, 4.3 cm ill-defined tan-gray gelatinous multicystic mass abutting posterior margin. RS mass to posterior margin frozen.	FROZEN SECTION DIAGNOSIS (RIGHT MAXILLECTOMY, POSTERIOR MARGIN): Adenoid cystic carcinoma. FROZEN SECTION DIAGNOSIS (RIGHT MAXILLECTOMY, POSTERIOR MARGIN): Adenoid cystic carcinoma.
7	DZI20-208-Case-7 DZI20-208-Case-7	44 yo M with cricoid lesion 44 yo M with cricoid lesion	FROZEN SECTION DIAGNOSIS #1; (RIGHT POST CRICOID TUMOR): Myxochondroid lesion. Final deferred. Permanent - RIGHT POSTCRICOID TUMOR: Chondrosarcoma, grade 2" FROZEN SECTION DIAGNOSIS #1; (RIGHT POST CRICOID TUMOR): Myxochondroid lesion. Final deferred. Permanent - RIGHT POSTCRICOID TUMOR: Chondrosarcoma, grade 2"
8	DZI20-208-Case-8 DZI20-208-Case-8	35 yo M with PTC, pretracheal lymph nodes 35 yo M with PTC, pretracheal lymph nodes	FROZEN SECTION DIAGNOSIS #1 (PRETRACHEAL LYMPH NODE): Three lymph nodes, negative for malignancy (0/3). Thyroid gland tissue with marked lymphocytic thyroiditis. FROZEN SECTION DIAGNOSIS #1 (PRETRACHEAL LYMPH NODE): Three lymph nodes, negative for malignancy (0/3). Thyroid gland tissue with marked lymphocytic thyroiditis.

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