Turcot syndrome with polyposis is a rare inherited condition that falls under the group of familial adematous polyposis disorders. People with this condition have a very large number of adenomatous polyps in the colon, which can lead to colorectal cancer. In addition to problems in the colon, this syndrome is also linked to the development of a primary tumor in the central nervous system, most often a medulloblastoma. Some individuals may also have pigmented lesions in the back part of the eye (ocular fundus). This condition is significant because it involves issues in both the colon and the brain. The dual presentation of colorectal issues and a central nervous system tumor makes it a unique and complex disorder. Early recognition is important, although information about the condition is still being studied and understood by the medical community.

Symptoms of Turcot syndrome with polyposis can include the development of thousands of colonic polyps, which over time may lead to colorectal cancer. In addition, a primary brain tumor, often a medulloblastoma, may occur. There may also be pigmented lesions in the ocular fundus. However, specific symptoms can vary from person to person and more detailed descriptions are not available in the provided information.

Turcot syndrome with polyposis is related to a form of familial adematous polyposis, which means it runs in families. While it is considered hereditary, detailed information about the specific genetic causes or genes associated with the condition is not available in the provided sources.