L98.A221

Clinical Causes: Poor circulation or blood flow issues, which impair healing Venous insufficiency or varicose veins Arterial disease reducing blood supply Diabetes mellitus leading to nerve damage and skin breakdown Repetitive trauma or minor injuries that do not heal properly Infection or skin inflammation Nutritional deficiencies affecting skin repair Chronic exposure to irritants or chemicals Underlying medical conditions that impair skin integrity

Key Symptoms: Open sore or ulcer on the skin of the forearm Breakdown or loss of skin tissue limited to the superficial layers Persistent pain or tenderness around the ulcer Redness, swelling, or inflammation of surrounding tissues Possible presence of drainage or exudate from the ulcer Skin discoloration or darkening near the wound Limited mobility or discomfort during movement Signs of infection such as warmth, pus, or foul odor (if infection develops)

Diagnosis Path: Physical examination of the ulcer and surrounding skin Reviewing the patient’s medical history and any underlying conditions Wound assessment to determine size, depth, and extent of tissue damage Blood tests to evaluate for infection or systemic conditions Imaging studies such as Doppler ultrasound to assess blood flow Biopsy in certain cases to rule out other skin conditions or malignancy

Treatment Protocols: Cleaning the wound regularly and maintaining hygiene Applying appropriate dressings to protect the ulcer and promote healing Managing underlying health conditions like diabetes or vascular issues Advanced wound care therapies such as debridement to remove dead tissue Use of compression therapy if venous insufficiency is a factor Antibiotics if infection is present or suspected Pain management to increase comfort during healing Nutritional support to improve immune response and tissue repair Surgical interventions may be necessary in severe cases Patient education on skin care and avoiding trauma