Medicine · 2023
Vasculitis mimicking immunoglobulin-G4-related disease with involvement of the submandibular and lacrimal glands and periaortitis: A case report.
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Kuribayashi Mamika, Odaka Hidesato, Takahashi Susumu, Tokairin Takuo, Kurokawa Hirokazu
Аннотация
INTRODUCTION: Vasculitis does not usually induce glandular tissue lesions. Herein, we present a case of vasculitis with a distribution similar to that of immunoglobulin-G4-related disease (IgG4-RD), including that of the submandibular and lacrimal glands, and periaortitis.
CASE REPORT: A 70-year-old man presented with shortness of breath. Laboratory findings revealed an IgG4 level of 191 mg/dL, negative antineutrophil cytoplasmic antibody test, and C-reactive protein level of 8.33 mg/dL. Magnetic resonance imaging of the head and computed tomography of the neck revealed bilaterally enlarged submandibular and lacrimal glands. Neck-to-pelvis computed tomography revealed bilateral infiltrative shadows in the lower lobes of both lungs, mass shadows in both lungs, and periaortitis of the abdominal aorta extending to the common iliac artery. Thus, the patient was diagnosed with IgG4-related respiratory disease and periaortitis/periarteritis. Prednisolone was administered at a dose of 35 mg (0.6 mg/kg daily). The dose was gradually tapered while observing the effects of the treatment. Imaging findings indicated an improvement and the C-reactive protein and IgG4 levels decreased, indicating a successful treatment course. However, after reexamination of the pathological findings, the diagnosis changed from IgG4-RD to vasculitis. One year after treatment initiation, the patient symptoms have stabilized.
CONCLUSION: Vasculitis can present with lesions and pathological findings similar to those of IgG4-RD.
CASE REPORT: A 70-year-old man presented with shortness of breath. Laboratory findings revealed an IgG4 level of 191 mg/dL, negative antineutrophil cytoplasmic antibody test, and C-reactive protein level of 8.33 mg/dL. Magnetic resonance imaging of the head and computed tomography of the neck revealed bilaterally enlarged submandibular and lacrimal glands. Neck-to-pelvis computed tomography revealed bilateral infiltrative shadows in the lower lobes of both lungs, mass shadows in both lungs, and periaortitis of the abdominal aorta extending to the common iliac artery. Thus, the patient was diagnosed with IgG4-related respiratory disease and periaortitis/periarteritis. Prednisolone was administered at a dose of 35 mg (0.6 mg/kg daily). The dose was gradually tapered while observing the effects of the treatment. Imaging findings indicated an improvement and the C-reactive protein and IgG4 levels decreased, indicating a successful treatment course. However, after reexamination of the pathological findings, the diagnosis changed from IgG4-RD to vasculitis. One year after treatment initiation, the patient symptoms have stabilized.
CONCLUSION: Vasculitis can present with lesions and pathological findings similar to those of IgG4-RD.