# A nurse is assessing a 45-year-old client who was admitted with complaints of severe headaches, visual disturbances, and fatigue. The client reports that their wedding ring no longer fits and their shoe size has increased over the past year. Which assessment finding would be most indicative of acromegaly?

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> subject: Adult Health

## 문제

A nurse is assessing a 45-year-old client who was admitted with complaints of severe headaches, visual disturbances, and fatigue. The client reports that their wedding ring no longer fits and their shoe size has increased over the past year. Which assessment finding would be most indicative of acromegaly?

## 보기

1. Enlarged hands, feet, and coarse facial features with prominent jaw and brow **✔ 정답**
2. Moon face, buffalo hump, and purple striae on the abdomen
3. Exophthalmos, heat intolerance, and fine tremor of the hands
4. Cold intolerance, bradycardia, and dry, coarse skin

**정답: 1**

## 해설

Acromegaly is caused by excessive growth hormone secretion from the anterior pituitary gland, typically due to a pituitary adenoma. The characteristic physical changes include enlarged hands and feet (acral enlargement), coarse facial features with prominent jaw (prognathism) and brow ridges, which develop gradually over years.

Acromegaly is a rare endocrine disorder caused by excessive secretion of growth hormone from the anterior pituitary gland, most commonly due to a benign pituitary adenoma. This condition affects adults whose growth plates have closed, and it presents with characteristic physical changes that progress slowly over several years.

Pathophysiologically, the excess growth hormone leads to overproduction of insulin-like growth factor-1 (IGF-1) in the liver, resulting in abnormal growth of bone, cartilage, and soft tissues. Typical physical symptoms include acral enlargement (enlargement of the hands and feet), coarse facial features with a protruding jaw (prognathism), enlarged frontal bone ridges, and increased spacing between teeth. Patients often complain that rings, shoes, and hats no longer fit.

The correct answer reflects the characteristic signs of acromegaly. Because these changes occur gradually, diagnosis is often delayed. Other associated symptoms include headache from the pituitary tumor compressing surrounding structures, visual field defects due to optic chiasm compression, joint pain, carpal tunnel syndrome, and metabolic complications such as diabetes and hypertension.

Early recognition and assessment of these characteristic signs are crucial for timely diagnosis and treatment. Nurses should pay attention to these subtle but progressive changes, especially when patients report that clothing or accessories no longer fit. Prompt referral to endocrinology can prevent serious complications such as cardiovascular disease, sleep apnea, and increased mortality risk.

## 심화 해설

Core Clinical Manifestations of Acromegaly

The client's reported history of a tightening wedding ring and increasing shoe size represents the classic, insidious soft tissue and bony overgrowth characteristic of acromegaly. This condition results from chronic hypersecretion of growth hormone (GH) and subsequently insulin-like growth factor-1 (IGF-1) after epiphyseal plate closure. The assessment finding most indicative of this diagnosis is the observation of enlarged hands, feet, and coarse facial features with a prominent jaw and brow. These changes are pathognomonic and directly correlate with the physical examination findings documented in the supporting evidence, which noted "thick facial features such as macroglossia... and fleshy hands" in a patient with a confirmed pituitary macroadenoma [1].

Pathophysiology and Clinical Correlation

In acromegaly, a pituitary adenoma secretes excess GH, stimulating the liver to produce IGF-1. This hormonal excess drives the abnormal growth of bone, cartilage, and soft tissues. The craniofacial manifestations are particularly striking and diagnostically valuable. Radiologically, this can manifest as marked, diffuse calvarial thickening, with measurements potentially reaching approximately 17 mm, and enlargement of the sella turcica, which houses the pituitary gland [1]. These structural changes underpin the visible coarse facial features, including a prominent jaw (prognathism) and frontal bossing, which are key components of the correct answer.

Analysis of Alternative Options

The other choices describe constellations of symptoms for different endocrine disorders. Understanding why they are incorrect is crucial for NCLEX-RN success.

- Option 2: Moon face, buffalo hump, and purple striae are the classic clinical triad for Cushing's syndrome, a state of glucocorticoid excess. While a pituitary adenoma can cause Cushing's disease (a subtype of the syndrome), the physical findings are due to cortisol, not growth hormone.

- Option 3: Exophthalmos, heat intolerance, and a fine tremor are hallmark signs of hyperthyroidism, most commonly Graves' disease. This reflects a state of increased metabolic rate driven by excess thyroid hormones.

- Option 4: Cold intolerance, bradycardia, and dry, coarse skin are indicative of hypothyroidism. The "coarse" descriptor here refers to skin texture from decreased metabolic activity and glycosaminoglycan deposition, which is pathophysiologically distinct from the thickened, fleshy skin of acromegaly caused by soft tissue overgrowth.

The nurse's focused assessment must differentiate these overlapping endocrine presentations by linking the specific tissue changes of acromegaly—enlarging acral parts and coarsening facial features—to the underlying hormonal pathophysiology of excess GH and IGF-1 [1].References (research sources)

- [1]Craniofacial and Radiological Features as Diagnostic Clues to Unmask Acromegaly: A Case Report.Case reportModi J, Ibrahim E, LaFoe K, Ralhan T, Demirtas E. (2025) · DOI: 10.7759/cureus.100144

## 임상 시나리오

Acromegaly: Key Assessment FindingsRecognizing Pathognomonic Physical Changes
The most indicative finding is acral enlargement and coarse facial features. This includes enlarged hands and feet, a prominent jaw (prognathism), and a protruding brow (frontal bossing). These changes result from excess growth hormone causing soft tissue and bone overgrowth.

A key historical clue is the report that rings no longer fit or shoe size has increased. This insidious progression is often overlooked by the client. The underlying cause is typically a pituitary adenoma secreting excess growth hormone, which stimulates insulin-like growth factor-1 (IGF-1) production.

CautionDo not confuse these findings with Cushing's syndrome (moon face, buffalo hump) or thyroid disorders. Acromegaly changes are specific to bone and soft tissue overgrowth. Early diagnosis is critical to prevent irreversible cardiovascular and metabolic complications.

## 핵심 개념

- **Acromegaly** — A chronic endocrine disorder in adults characterized by excess growth hormone after epiphyseal plate closure, leading to overgrowth of bone and soft tissue.
- **Pituitary Adenoma** — A benign tumor of the pituitary gland, often the underlying cause of acromegaly, which can cause mass effect symptoms like headaches and visual disturbances.
- **Frontal Bossing** — A prominent, protruding forehead, a characteristic skeletal change seen in acromegaly due to bone overgrowth.
- **Macrognathia** — Enlargement of the jaw, a classic facial feature observed in patients with acromegaly.
- **Insulin-like Growth Factor-1 (IGF-1)** — A hormone produced by the liver in response to growth hormone, mediating most of the growth-promoting effects in acromegaly.

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