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What is a granuloma?

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A granuloma is a localized nodular inflammation that can occur in many places of the body and is caused by tissue irritation, according to MedicineNet. Several types of granulomas include vocal, pyogenic and lung granulomas, explains the Osborne Head and Neck Institute, American Osteopathic College of Dermatology and Mayo Clinic.

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Vocal granulomas appear when there is damage to the lining on the cartilage in the back of the larynx, states the Osborne Head and Neck Institute. Damage to the lining results in it being exposed to air, food and stomach acid, causing irritation in the cartilage. The body then produces a granuloma around the area, which can cause symptoms such as throat pain and voice fatigue. Medications usually resolve the problem and surgery is rarely needed.

Pyogenic granulomas are common skin growths that often follow minor surgery, explains the American Osteopathic College of Dermatology. A symptom of a pyogenic granuloma is a small red bump that grows in size. It typically appears on the head, neck, upper trunk, hands and feet and is usually treated by excision.

Lung granulomas are often caused by a fungal infection that affects the lungs, notes Mayo Clinic. Those who have lung granulomas rarely have symptoms, and the condition is usually detected on a chest X-ray for a different condition. Lung granulomas are typically never treated, and a follow-up appointment is not usually needed.

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