A case of inflammatory pseudotumor of the lung presenting as polymyalgia rheumatica

Tompkins, Erin; Middlebrook, Candice E.‐P.; Tracy, Christopher

doi:10.1002/ccr3.2172

Cited by 1 publication

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References 20 publications

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“…11,18 Tompkins et al and Kato et al have previously reported on a patient with IPT of the lungs and thoracic spine, respectively, with underlying polymyalgia rheumatica. 19,20 There are no reports on patients with polymyalgia rheumatica and hepatic IPT. In our patient, we did not find any other underlying causes, which could have led to an IPT of the liver except for her polymyalgia rheumatica.…”

Section: Discussionmentioning

confidence: 99%

Enlarging Liver Mass: Inflammatory Pseudotumor in a Patient With Polymyalgia Rheumatica

Kanagalingam

Dulymamode

Jafroodifar

et al. 2022

Journal of Investigative Medicine High Impact Case Reports

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Inflammatory pseudotumors of the liver are rare, non-neoplastic liver tumors. Due to the nonspecific clinical presentation, imaging features, and histopathological findings, they can mimic malignant tumors requiring invasive diagnostics. We present a case of a 61-year-old female patient with a history of type 2 diabetes mellitus, hypothyroidism, hyperlipidemia, and polymyalgia rheumatica who had initially presented with abdominal pain for 3 weeks. Further workup showed normal liver chemistries and tumor markers: AFP and CA 19-9. Magnetic resonance imaging (MRI) of the abdomen showed a segment 6 lesion measuring 4.1 × 4.0 × 3.7 cm. A liver biopsy then confirmed the diagnosis of an inflammatory pseudotumor of the liver with negative IgG4. On follow-up imaging, a rapid growth of this liver lesion was noted. Laparoscopy was done but did not show any distinct liver lesion. Follow-up imaging confirmed a decrease in the size of the mass. Interestingly, the patient had been on a higher dose of steroids for her polymyalgia rheumatic leading up to the follow-up imaging. This is the first case of an inflammatory pseudotumor of the liver in a patient with polymyalgia rheumatica. With this case, we would like to increase the awareness for inflammatory pseudotumors of the liver as a differential diagnosis of liver lesions in patients with underlying autoimmune disorders.

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Section: Discussionmentioning

confidence: 99%