**Core Concept**
Soft tissue curettage is a surgical procedure that involves scraping or scooping out diseased or damaged soft tissue from a bone cavity or a cyst. This procedure is typically performed to remove benign or malignant lesions, bone cysts, or infected tissue.

**Why the Correct Answer is Right**
The correct answer is for the management of benign bone lesions, such as unicameral bone cysts, aneurysmal bone cysts, or giant cell tumors. Soft tissue curettage is indicated when these lesions are confined to the bone and do not show aggressive features. The procedure involves removing the lesion with a curette, and in some cases, a bone graft may be placed to fill the cavity.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because soft tissue curettage is not typically indicated for malignant bone tumors. Malignant lesions often require more aggressive treatment, such as wide resection or chemotherapy.

**Option B:** This option is incorrect because soft tissue curettage is not a standard treatment for osteoporotic fractures. Instead, treatment for osteoporotic fractures usually involves conservative management, such as bed rest and pain management, or in severe cases, surgical stabilization with internal fixation.

**Option C:** This option is incorrect because soft tissue curettage is not typically indicated for infected bone tissue. Infected bone tissue usually requires surgical debridement, which involves removing the infected tissue and any dead bone, followed by antibiotic therapy.

**Clinical Pearl / High-Yield Fact**
When considering soft tissue curettage, it is essential to differentiate between benign and malignant lesions based on clinical presentation, radiographic findings, and histological examination.

**Correct Answer:** C.