Medicine · 2025
Rare acute generalized exanthematous pustulosis caused by iodixanol: A case report.
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Ma Xiuxiu, He Chaozhu, Zeng Xiaohong, He Xiaohua, Bi Yanfang
Аннотация
RATIONALE: Acute generalized exanthematous pustulosis (AGEP) is a rare delayed allergic reaction, which is mostly caused by drugs, but there are few reports of iodixanol in particular. At present, 4 cases induced by iodixanol have been reported in the literature, but none have been reported in China.
PATIENT CONCERNS: In this report, we report a case of AGEP induced by intravenous bolus infusion of iodixanol during multislice spiral CT enhanced scanning of the whole abdomen in a patient with rectal malignancy. A 35-year-old female patient presented with a larger rash/erythema on the head and neck and felt itchy.
DIAGNOSES: A large erythema/rash and white, sterile pustules based on erythema spread from head, neck to the whole body in a short period of time. Blood cell results showed high levels of white blood cell, neutrophils, C-reactive protein and interleukin-10, and decreased levels of some immune indicators. Pathological biopsy results showed that there was immune cell infiltration around the superficial dermis.
INTERVENTIONS: Immediate avoidance of potential allergens and treatment with steroids, antihistamines and other medications, followed by adjustment with cyclosporine and human immunoglobulin.
OUTCOMES: At 1 year's follow-up, the patient did not develop any symptoms of discomfort and increased awareness of allergen prevention.
LESSONS: The reported case is an extremely rare and severe AGEP, typically characterized by pruritus, edema, large erythema/rash, dense white needle-like sterile pustules based on erythema/rash, and desquamation. After discontinuation of exposure to iodixanol, the patient received symptomatic supportive treatment, mainly drug response. She eventually recovered without recurrence. In the future, with the in-depth exploration of more studies, the use of Iodine Contrast Media will be more standardized and scientific.
PATIENT CONCERNS: In this report, we report a case of AGEP induced by intravenous bolus infusion of iodixanol during multislice spiral CT enhanced scanning of the whole abdomen in a patient with rectal malignancy. A 35-year-old female patient presented with a larger rash/erythema on the head and neck and felt itchy.
DIAGNOSES: A large erythema/rash and white, sterile pustules based on erythema spread from head, neck to the whole body in a short period of time. Blood cell results showed high levels of white blood cell, neutrophils, C-reactive protein and interleukin-10, and decreased levels of some immune indicators. Pathological biopsy results showed that there was immune cell infiltration around the superficial dermis.
INTERVENTIONS: Immediate avoidance of potential allergens and treatment with steroids, antihistamines and other medications, followed by adjustment with cyclosporine and human immunoglobulin.
OUTCOMES: At 1 year's follow-up, the patient did not develop any symptoms of discomfort and increased awareness of allergen prevention.
LESSONS: The reported case is an extremely rare and severe AGEP, typically characterized by pruritus, edema, large erythema/rash, dense white needle-like sterile pustules based on erythema/rash, and desquamation. After discontinuation of exposure to iodixanol, the patient received symptomatic supportive treatment, mainly drug response. She eventually recovered without recurrence. In the future, with the in-depth exploration of more studies, the use of Iodine Contrast Media will be more standardized and scientific.