Abstract
Abstract This case report presents a 15-year-old boy newly diagnosed with Crohn disease (CD), currently under treatment with prednisone and azathioprine. The patient was admitted to the hospital due to diffuse abdominal pain, diarrhoea and fever. Remarkably, after 5 days of hospitalization, he developed purpuric lesions on his wrists, abdomen and lower limbs. Dermoscopic examination of the cutaneous petechiae revealed an intriguing finding: whitish hair follicles exhibiting a distinctive ‘corkscrew’ hair pattern surrounded by a haemorrhagic violaceous halo. This dermoscopic profile strongly suggested the presence of scurvy. Histological analysis provided further insight, demonstrating perifollicular haemorrhage and interstitial extravasation of red blood cells. While nutritional deficiencies are commonly linked to CD, vitamin C deficiency is less frequently identified and reported, despite its prevalence. The challenge lies in the potential overlap of symptoms between active CD and scurvy, making the diagnosis of vitamin C deficiency more elusive in patients with CD. This case underscores the importance of considering vitamin C deficiency in the differential diagnosis of cutaneous manifestations in individuals with CD. Clinicians should be vigilant in identifying such nutritional deficiencies to ensure timely intervention and prevent complications associated with scurvy.
Published Version
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