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WorksheetsColon post test
Total questions: 14
Worksheet time: 7mins
Which of the following statements are true regarding the anatomy of the colon, rectum, and anus?
The parasympathetic innervation to the right and transverse colon is from the vagus nerve.
The rectum is approximately 12-15cm in length.
At S2, the Waldeyer's fascia extends anterior and caudally and attaches to the fascia propria at the anorectal junction.
Anteriorly, Denonvilliers' fascia separates the rectum from the prostate and seminal vesicles in men and from the vagina in women.
What is the most common traumatic cause of incontinence?
Anorectal surgery
Vaginal delivery
Impalement
Pelvic fracture
55/M came in due to hematochezia. Colonoscopy was done revealing a fungating mass 25cm FAV. No enlarged LNs on scan. What is your planned procedure?
Neoadjuvant chemotherapy
Right Hemicolectomy
Transverse Colectomy
Left hemicolectomy
35/M known case of Crohn's disease came in due to abdominal pain and hematochezia. Next step in the management of this patient includes
Bowel rest and antibiotics
CT scan
Barium enema
Colonoscopy possible clipping
Most common site of crohn's disease
Cecum
Small bowel
Colon
Rectum
6/M came in due to bleeding anal mass. On PE, noted 3cm hamartomatous polyp. What is your surgical plan?
Flexible sigmoidoscopy, polypectomy
Flexible sigmoidoscopy, biopsy of polyp
Flexible sigmoidoscopy, transanal excision of mass
Exploratory laparotomy, very low anterior resection
What is the genetic defect associated with Lynch syndrome?
MMR
APC gene mutation
KRAS mutation
Inacivitaion of APC
15/M with family history of FAP was worked up, with noted absence of APC gene mutation. When would you recommend to start flexible sigmoidoscopy?
Annual flex sig at age 10
Annual flex sig at age 20
Annual flex sig at age 40
Annual flex sig at age 50
What is the single most important prognostic factor in colorectal cancer?
Increased CEA
KRAS mutation
Nodal involvement
Metastatic disease
64/F post low anterior resection for upper rectal cancer revealed the following histopath findings: Tumor extends through the visceral peritoneum with four positive lymph nodes, non metastatic. What is the stage?
Stage IIIA
Stage IIIB
Stage IIIC
Stage IVA
52/M diagnosed with intraanal epidermoid carcinoma measuring 1cm in largest diameter. What is your plan?
Ablation
NIGRO protocol
Wide local transanal excision including the muscle layer
APR
45/M diagnosed with Anal SCC 2cm in widest diameter, no nodal involvement. What is your planned procedure?
Topical imiquimod
Wide local excision
ChemoRT
APR
What is the most common infectious cause of emergency laparotomy in AIDS patients
HPV
CMV
Hep B
Rotavirus
37/F came in 1 week post NSD with episiotomy complaining of fecal discharge per vagina. On physical exam, noted to have low rectovaginal fistula. What is your plan?
Observe for 3-6 months
NPO and IV antibiotics
Diverting colostomy
Endorectal advancement flap
