# Situation: A 32-year-old woman with ulcerative colitis is admitted for a flare. She has 8 bloody stools a day, a temperature of 38.2 °C, a heart rate of 104/min, and a hemoglobin of 9.8 g/dL (98 g/L). Stool tests for Clostridioides difficile and other pathogens are pending. After recovery, she asks about her long-term outlook. Which statement by the client shows correct understanding of her disease?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=629823  
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> subject: Nursing Practice III — Care of Clients with Problems in Surgery, Oxygenation, Fluid and Electrolytes, Infectious, Inflammatory and Immunologic Response, Cellular Aberrations

## 문제

Situation: A 32-year-old woman with ulcerative colitis is admitted for a flare. She has 8 bloody stools a day, a temperature of 38.2 °C, a heart rate of 104/min, and a hemoglobin of 9.8 g/dL (98 g/L). Stool tests for Clostridioides difficile and other pathogens are pending.

After recovery, she asks about her long-term outlook. Which statement by the client shows correct understanding of her disease?

## 보기

1. "Surgery won't help, because the disease comes back near the joined bowel."
2. "Fistulas from my bowel to my skin are the main problem I should watch for."
3. "Colon cancer checks can wait until I reach the usual screening age of 50."
4. "Removing my colon and rectum could cure my colitis if it is ever needed." **✔ 정답**

**정답: 4**

## 해설

Ulcerative colitis involves only the colon and rectum, so total proctocolectomy is curative. Recurrence near the anastomosis and fistulas are features of Crohn disease, which can affect any part of the gut and is not cured by surgery. Colitis raises colorectal cancer risk, so surveillance colonoscopy starts about 8 years after diagnosis rather than at the general screening age.

## 심화 해설

Core concept: ulcerative colitis is limited to the mucosa of the colon and rectum

The question tests whether the client understands the anatomical scope and natural history of ulcerative colitis (UC). Unlike Crohn disease, UC does not involve the small intestine, does not form fistulas, and does not recur after the entire colon and rectum are removed. The correct statement is that total proctocolectomy is curative because the disease is confined to the colorectum.

Ulcerative colitis begins in the rectum and extends proximally in a continuous pattern. Inflammation is limited to the mucosa and submucosa. Because the entire target organ can be resected, removing the colon and rectum eliminates the disease. In contrast, Crohn disease is transmural and can involve any segment of the gastrointestinal tract from mouth to anus, so surgery is reserved for complications and does not cure the disease.

Watch out! Option 1 describes recurrence near the anastomosis, which is a classic feature of Crohn disease after ileocolic resection. Option 2 describes enterocutaneous fistulas, also a Crohn disease complication. Both are distractors that test the ability to differentiate the two inflammatory bowel diseases.

| Feature | Ulcerative colitis | Crohn disease |
| --- | --- | --- |
| Distribution | Colon and rectum only; continuous from rectum | Any GI segment; skip lesions |
| Depth of inflammation | Mucosa and submucosa | Transmural |
| Fistulas and strictures | Rare | Common |
| Curative surgery | Total proctocolectomy is curative | Surgery is not curative; recurrence near anastomosis |
| Colorectal cancer risk | Elevated; surveillance begins about 8 years after diagnosis | Elevated if colonic involvement; surveillance similar |

Colorectal cancer risk and surveillance timing

Option 3 is incorrect because it applies the general population screening age of 50 years. In ulcerative colitis, chronic mucosal inflammation drives dysplasia and cancer through a pathway distinct from sporadic adenoma-carcinoma progression. The meta-analysis by Eaden and colleagues pooled data from 116 studies and confirmed that the risk of colorectal cancer in UC is significantly elevated compared with the general population [1]. The magnitude of risk increases with disease duration and extent, which is why surveillance colonoscopy is initiated earlier.

The standard recommendation is to begin surveillance colonoscopy approximately 8 years after the onset of symptoms in patients with pancolitis or left-sided colitis. This reflects the time-dependent accumulation of genetic and epigenetic changes in chronically inflamed mucosa. Waiting until age 50 would miss the window when early dysplasia or cancer may already be present.

The elevated colorectal cancer risk in UC justifies earlier and more frequent endoscopic surveillance than the general population schedule. The meta-analysis provides the epidemiological foundation for this practice [1].

Why surveillance is technically challenging

Surveillance in UC is not simply a routine colonoscopy. UC-associated neoplasia often appears as flat, subtle lesions with indistinct margins rather than as polypoid masses. A retrospective study of 212 endoscopically treated neoplastic lesions in UC-affected mucosa found that these lesions frequently present in a non-polypoid form, which reduces the sensitivity of standard biopsy sampling . This is why random biopsies, chromoendoscopy, and sometimes endoscopic submucosal dissection as a total biopsy are used to improve detection.

The clinical implication for the client is that surveillance requires a gastroenterologist experienced in UC-associated neoplasia, not merely a screening colonoscopy at the usual age. The client who understands this would not say that cancer checks can wait until age 50.

Key point! Option 4 is the only statement that correctly reflects both the anatomical limitation of UC and the role of surgery. Total proctocolectomy removes the entire diseased organ and is curative, whereas surveillance colonoscopy must begin about 8 years after diagnosis because of the elevated colorectal cancer risk [1].References (research sources)

- [1]The risk of colorectal cancer in ulcerative colitis: a meta-analysisMeta-analysis/systematic reviewJayne Eaden, K R Abrams, J F Mayberry (2001) · DOI: 10.1136/gut.48.4.526

## 임상 시나리오

Ulcerative Colitis: Long-Term Outlook and Patient EducationKey counseling points for disease scope, surgery, and cancer risk
Ulcerative colitis is confined to the mucosa and submucosa of the colon and rectum only. It begins in the rectum and extends proximally in a continuous pattern without skip lesions.

Because the entire target organ can be removed, total proctocolectomy is curative. This contrasts with Crohn disease, which can affect any GI segment and is not cured by surgery.

Colorectal cancer risk is elevated in UC. Surveillance colonoscopy should begin approximately 8 years after diagnosis, not at the general screening age of 50.

CautionDo not counsel that surgery will fail due to recurrence near the anastomosis or that fistulas are expected—these are features of Crohn disease, not ulcerative colitis.

## 핵심 개념

- **Total proctocolectomy** — Surgical removal of the entire colon and rectum, which is curative for ulcerative colitis.
- **Ulcerative colitis** — Inflammatory bowel disease limited to the mucosa and submucosa of the colon and rectum, starting in the rectum and extending continuously.
- **Crohn disease** — Transmural inflammatory bowel disease that can affect any part of the GI tract, often causing fistulas and recurring after surgery.
- **Anastomotic recurrence** — Recurrence of disease at the surgical connection site, typical of Crohn disease after resection.
- **Surveillance colonoscopy** — Regular endoscopic screening for colorectal cancer, initiated about 8 years after UC diagnosis due to increased cancer risk.

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