Journal of Yeungnam Medical Science

Case Reports

Multifocal nodular lymphoid hyperplasia of the lung: Gil Tae Lee, Eun Kyoung Kim, Eirie Cho, Seung Sook Lee, Seo Yun Kim, Cheol Hyeon Kim, Hye Ryoun Kim; Yeungnam Univ J Med. 2017;34(1):84-87. Published online June 30, 2017; DOI: https://doi.org/10.12701/yujm.2017.34.1.84

Abstract PDF: Nodular lymphoid hyperplasia (NLH) is a benign lymphoproliferative disease that can affect the lung. Because of its rarity, little is known about the etiology and natural history of NLH. Most cases are usually asymptomatic and found incidentally on imaging studies. Imaging finding of NLH has shown most commonly as a solitary lesion, although multifocal pulmonary nodules may be seen. Surgical resection has proved curative in the cases previously described. We report a rare case of NLH in a 55 year-old man who presented with bilateral multiple pulmonary nodules on chest radiography. Open biopsy was performed from the upper and lower lobe of the left lung. The lesions were pathologically diagnosed as pulmonary NLH. Multifocal residual nodules in both lungs remain stable without spontaneous regression during the 3 years of follow-up.

A Case of Pseudolymphomatous IgG4-Related Disease Involving the Maxilla.: Min Jung Kim, Seung Il Bae, Hoon Tae Kim, Young Hoon Hong, Hyun Je Kim, Choong Ki Lee, Mi Jin Gu; Yeungnam Univ J Med. 2013;30(2):128-131. Published online December 31, 2013; DOI: https://doi.org/10.12701/yujm.2013.30.2.128

Abstract PDF: Immunoglobulin G4 (IgG4)-related disease is an inflammatory condition characterized by IgG4 positive plasma cell infiltration. It can affect any organ in the body and mainly involves the pancreas, liver, biliary tracts, orbits, salivary glands and lymph nodes. It can manifest as an inflammatory pseudotumor. Pseudolymphoma as an inflammatory pseudotumor is a group of benign tumors that exhibit histological and clinical features suggestive of malignant lymphoma. Studies on IgG4-related disease are rarely reported, and no case of the disease that involved the maxillary bone and adjacent soft tissue, except for the skin, has been reported. Therefore, we report herein a case of pseudolymphomatous IgG4-related disease that involved the maxilla, with a literature review.

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