Respiratory Pathology for Medical II Students

Lab 1.d Squamous Cell Carcinoma (glass slide 26000-80523) 

Slides A & B | Slides C & D

Slide C This section shows carcinoma in situ. The epithelium is entirely replaced by dysplastic squamous cells.
Slide D Invasive squamous cell carcinoma is characterized by keratin formation and/or intercellular bridges. Note the keratinization in this nest of invasive carcinoma.

*Questions:

1. What features common to many malignant tumors are demonstrated in these sections?
2. Where do most squamous carcinomas arise in the lung?

Digital Legends for Labs/Cases
Lab 1
1.a | 1.b | 1.c | 1.d | 1.e | 1.f | 1.g | 1.h
Lab 2
2.a | 2.b | 2.c | 2.d | 2.e | 2.f | 2.g
Lab 3
3.a | 3.b | 3.c | 3.d | 3.e

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Updated August 3, 2007