Histopathology Session IV DENT4217 **Oral squamous cell carcinoma** **A/Prof Omar Kujan** Case 1 * **Slide ID 1060** * **Image 710** Histological tissue sections labeled with a 2mm scale bar. ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_3/fig_0.jpeg) **900um** ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_4/fig_0.jpeg) 300µm ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_5/fig_0.jpeg) 200um ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_6/fig_0.jpeg) Microscopic description * Islands and stands of atypical squamous epithelial cells with keratin pearls invading the connective tissue Diagnosis * Squamous cell carcinoma; well-differentiated **Case 2** * **Slide ID 1059** * **Image ID 709** Histological tissue section with labeled 1mm scale bar. ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_10/fig_0.jpeg) 200um ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_11/fig_0.jpeg) 200um ![fig0](file:///C:/Users/ayham/Documents/Synced Documents/School/D2S2/DENT4217/Oral Pathology/W4 OSCC/W4 Histopathology_figures/page_12/fig_0.jpeg) **Diagnosis** * Squamous cell carcinoma; moderately differentiated