Case presentation A 16-year-old male presented to the emergency department with a three-day history of progressively worsening pain and swelling in the left lower limb. He denied any preceding trauma, injury, recent surgery, prolonged travel, or periods of immobilization.

Medical history and systemic review History of iron deficiency anemia, and on oral iron supplementation No personal or family history of deep venous thrombosis (DVT), malignancy, lymphadenopathy, or unintentional weight loss No symptoms suggestive of connective tissue disease, including rash, arthralgia, fever, or nail changes Recently initiated oral semaglutide (7 mg daily) for weight loss without medical supervision Episodes of vomiting occurring once or twice weekly over the past two weeks Mild reduction in appetite with slightly decreased oral intake No diarrhea or significant weight loss Prolonged sedentary…