M79.3

Clinical Causes: Infections such as bacterial or fungal infections Trauma or injury to the skin Immune system disorders, including autoimmune diseases like lupus or erythema nodosum Certain medications, like oral contraceptives or antibiotics Underlying metabolic conditions, such as pancreatitis or diabetes Lipid metabolism disorders, including hyperlipidemia Infiltrative diseases such as sarcoidosis or lymphoma Unknown or idiopathic causes when no specific trigger is identified

Key Symptoms: Tender, firm nodules or lumps under the skin, often purple, red, or flesh-colored Localized swelling and warmth over affected areas Pain or tenderness, which may worsen with pressure or movement Redness or discoloration of the skin overlying the nodules Possible skin ulceration or necrosis in severe cases In some instances, systemic symptoms such as fever, fatigue, or malaise

Diagnosis Path: Diagnosing panniculitis involves a combination of clinical examination and laboratory assessments. A healthcare provider may perform the following: - Medical history review and physical examination to assess symptoms and potential triggers. - Skin biopsy, which is essential for confirming the inflammation and ruling out other skin conditions. - Laboratory tests such as blood counts, inflammatory markers (like ESR or CRP), and evaluations for infections or autoimmune markers. - Imaging studies like ultrasound or MRI may be used to evaluate deeper tissue involvement. Since the causes can vary widely, identifying an underlying condition is crucial for effective management and prognosis.

Treatment Protocols: Management of panniculitis depends on its underlying cause and severity. Typical approaches include: - Anti-inflammatory medications, such as corticosteroids, to reduce inflammation. - Pain relievers to alleviate discomfort. - Antibiotics or antifungal treatments if an infectious cause is identified. - Addressing any underlying conditions, such as controlling autoimmune diseases or managing metabolic disorders. - Rest and elevating affected areas to decrease swelling. - In some cases, immunosuppressants or other specialized therapies may be prescribed. Patients are advised to follow their healthcare provider's guidance, as self-treatment may not address the root cause and could complicate the condition.