Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc
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Case Report

Volume 4, Number 8, August 2013, pages 535-539

Basaloid Squamous Cell Carcinoma of the Rectum: A Rare Entity


Figure 1.
Figure 1. CT of the pelvis: a space occupying lesion originating from the rectal wall invading the uterine corps.
Figure 2.
Figure 2. Sagittal MR imaging of the pelvis, T2W sequence: an inhomogeneous massive lesion originating from the anterior rectal wall invades the myometrium.
Figure 3.
Figure 3. (Hematoxylin and Eosin/X20): Neoplasm in the better differentiated foci characterized by the formation of tumor nests with central necrosis and peripheral palisading of small to medium sized malignant cells.
Figure 4.
Figure 4. (Hematoxylin and Eosin/X20): Undifferentiated areas within tumor, characterized by diffusely distributed malignant cells.
Figure 5.
Figure 5. (immunolabeling for CK34BE12/X10): Immunoreactivity to CK34BE12 from the better differentiated neoplastic cells.
Figure 6.
Figure 6. (immunolabeling for CK18/ X20): CK18 expression from undifferentiated malignant cells.
Figure 7.
Figure 7. An abdominal CT revealed a large metastatic lesion of the right lobe of the liver.