Schwannoma

Schwannoma (neurilemmoma, neurolemmoma, Schwann cell tumor) is usually solitary, from nerve sheath. Head/neck: cranial nerves (acoustic/facial/hypoglossal/vagus); then peripheral nerves; sympathetic rare. Firm tender nodule, slow-growing. Surgery mainstay.

Common Symptoms

Facial twitch; hoarseness; motor deficit; sensory disturbance

Causes

Schwann cell origin; likely tumor suppressor gene deletion. Gross: encapsulated, pink/gray/yellow, cystic hemorrhagic. Micro: Antoni A (compact palisaded Schwann cells) vs Antoni B (loose myxoid microcystic, vascular, hemorrhagic).

Treatment

Surgery; drug therapy; supportive care

Prevention

Primary: avoid carcinogens; exercise; diet; no smoking. Secondary: early detection (chest X-ray/bronchoscopy/B-US/AFP/Pap smear/endoscopy). Tertiary: prevent recurrence/metastasis/complications.

Recommended Department

It is recommended to visit the oncological surgery department; before the visit you may first book an appointment and connect with experts through this platform.

Warm reminder: The above information is provided for health education reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek care at a regular hospital in time.