PMC5893786_01
Family pedigree.
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F1
Of note, patient had a family history of genetically confirmed FAP, which included her sister and paternal grandmother (Figure 1).
Large fourth ventricle mass consistent with medulloblastoma.
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F2
Brain and spine magnetic resonance imaging was consistent with a large posterior fossa tumor with obstructive hydrocephalus (Figure 2), confirmed as medulloblastoma on histology.
Surveillance colonoscopy showing multiple sessile polyps in the entire colon with histologic evidence of dysplasia.
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F3
Patient had a surveillance colonoscopy and endoscopy performed 1 year after diagnosis of FAP and was remarkable for multiple small duodenal adenomatous polyps and several tubular adenomas in colon (Figure 3) with no dysplastic changes.