Department of Surgery Jars
| Description | Carcinoma of the Lower Rectum. |
| Author | Department of Surgery |
| Copyright | Cairo University - Faculty of Medicine |
Description
This jar contains the rectum, anal canal, and part of the levator ani
muscle. The specimen is slit longitudinally to show an irregular
solitary ulcer, which measures about 8 X 6 cm, has a necrotic floor and
its lower border lies about 3cm above the dentate line.
Diagnosis
Carcinoma of the lower rectum.
Some possible questions
Q. What is the commonest site of colorectal cancer.
A. the recto-sigmoid region.
Q. What are the gross types of colorectal cancer?
Q. What is the histological type of this malignancy?
A. Adenocarcinoma. It might show colloid activity (colloid
adenocarcinoma) or be undifferentiated (anaplastic) but it arises from
columnar epithelium, and that is why it is an adenocarcinoma.
Q. What are the methods of spread?
Q. What is the direction of lymphatic spread?
Q. When does it spread to inguinal nodes?
A. when the tumour extends below the dentate line.
Q. Describe Duke's staging.
Q. What are the clinical features of rectal cancer?
Q. How to diagnose a suspected case?
Q. What is the management?
Q: what operation should be done for that lesion ?