Gastroenterology

These are almost always squamous cell carcinomas (SCC) and occur as a result of exposure to tobacco, alcohol, and betel nut root. (Courtesy of Dr. D. Brown)

Histologic Specimen of Papillary Carcinoma (Courtesy of Dr. J. Irish)

Laryngoscopic Picture of a Laryngeal Carcinoma (Courtesy of Dr. J. Irish)

Follicular Carcinoma
Histologic Specimen of Follicular Carcinoma – Vascular invasion (Courtesy of Dr. J. Irish)

Follicular Carcinoma
Histologic Specimen of Follicular Carcinoma – Early capsular invasion (Courtesy of Dr. J. Irish)

Cyst-like mass lined with keratinized squamous epithelium and filled with desquamating debris in the middle ear. Progressive enlargement may lead to bony/soft tissue destruction. (Courtesy of Dr. M. Hawke)

Colon Carcinoma (Courtesy of Dr. G. Kandel)