M60.2 Foreign Body Myositis – Causes & Treatment
M60.2 is the ICD-10 code for foreign body myositis, a muscle inflammation caused by embedded foreign material. It may cause pain, swelling, and limited movement.
Things worth knowing about "M60.2"
M60.2 is the ICD-10 code for foreign body myositis, a muscle inflammation caused by embedded foreign material. It may cause pain, swelling, and limited movement.
What is M60.2 – Foreign Body Myositis?
M60.2 is the ICD-10 code for foreign body myositis, a form of muscle inflammation triggered by the presence of a foreign material within the skeletal muscle tissue. When foreign material enters the muscle, the immune system mounts an inflammatory response that can become chronic if the foreign body is not removed.
Causes
Foreign body myositis occurs when exogenous material – accidentally or intentionally – becomes embedded in muscle tissue. Common causes include:
- Splinters from wood, metal, glass, or plastic
- Injected substances (e.g., silicone oil, mineral oils, paraffin)
- Medical implants or suture material
- Projectiles (e.g., bullet or shrapnel fragments)
- Parasites or their remnants within the muscle tissue
The body attempts to encapsulate the foreign material, which may result in a granulomatous inflammatory reaction.
Symptoms
The clinical presentation of foreign body myositis can vary depending on the type and location of the foreign material. Common symptoms include:
- Localized pain and tenderness in the affected muscle area
- Swelling and edema formation
- Restricted movement of the affected muscle or joint
- Redness and warmth of the surrounding skin
- Palpable hardening or nodules (granulomas) within the muscle
- In rare cases, systemic signs of inflammation such as fever or fatigue
Diagnosis
Diagnosing foreign body myositis requires a thorough patient history and a combination of diagnostic measures:
- Patient history: Assessment of injuries, surgeries, injections, or other events through which foreign material may have entered the body
- Physical examination: Evaluation of swelling, pain, and range of motion
- Imaging: X-ray (for metallic or calcified foreign bodies), ultrasound, or MRI for precise localization
- Laboratory tests: Elevated inflammatory markers (CRP, ESR, white blood cell count)
- Biopsy: Histological examination of tissue to confirm the diagnosis and detect granulomatous reactions
Treatment
Treatment depends on the type, extent, and location of the inflammation, as well as the nature of the foreign material:
Surgical Treatment
In most cases, the surgical removal of the foreign body is the most effective causal treatment. Complete recovery is possible if no permanent tissue damage has occurred.
Medical Treatment
- Anti-inflammatory drugs (NSAIDs) to relieve pain and reduce inflammation
- Corticosteroids in cases with pronounced granulomatous reactions
- Antibiotics if secondary bacterial infection is present
Physiotherapy
Following treatment, physiotherapy can help restore muscle strength and mobility and minimize scarring.
Prognosis
When the foreign body is removed promptly, the prognosis is generally good. However, chronic or untreated cases may lead to permanent muscle damage, fibrosis, or persistent pain. Regular medical follow-up is recommended.
References
- World Health Organization: ICD-10 Classification of Diseases, M60 – Myositis. Geneva: WHO.
- Crum-Cianflone NF. Bacterial, fungal, parasitic, and viral myositis. Clinical Microbiology Reviews, 2008; 21(3):473–494.
- Lazarou I, Koulalis D. Foreign body-induced myositis: a review of clinical and pathological features. Journal of Musculoskeletal Medicine, 2015.
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