Treatment of choice for acoustic neuroma-
**Core Concept**
Acoustic neuroma, also known as vestibular schwannoma, is a benign tumor arising from the Schwann cells of the vestibular nerve. The optimal treatment approach depends on the size, location, and symptoms of the tumor.
**Why the Correct Answer is Right**
The treatment of choice for acoustic neuroma is surgical resection, specifically a suboccipital craniotomy or translabyrinthine approach. This allows for complete removal of the tumor while minimizing damage to surrounding structures, such as the facial nerve and brainstem. The goal is to preserve hearing, balance, and facial function whenever possible.
**Why Each Wrong Option is Incorrect**
**Option A:** Radiotherapy is not the primary treatment for acoustic neuroma, although it may be considered for small tumors or as a salvage option after surgery.
**Option B:** Stereotactic radiosurgery is an alternative treatment for acoustic neuroma, but it is not the first-line treatment.
**Option C:** Observation or watchful waiting may be an option for small, asymptomatic tumors, but active treatment is usually recommended to prevent potential complications.
**Clinical Pearl / High-Yield Fact**
For patients with acoustic neuroma, early diagnosis and treatment are crucial to prevent potential complications, such as hearing loss, balance problems, and facial weakness.
**Correct Answer: B. Stereotactic radiosurgery is an alternative treatment for acoustic neuroma, but it is not the first-line treatment.**