Lung Cyst Formation in Lymphocytic Interstitial Pneumonia

Ichikawa, Yoichiro; Kinoshita, Masaharu; Koga, Takeharu; Ōizumi, Kōtaro; Fujimoto, Kiminori; Hayabuchi, Naofumi

doi:10.1097/00004728-199409000-00012

Cited by 136 publications

(55 citation statements)

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“…Chest CTs showed cystic lesions in 68 to 82% of patients with LIP (14). It has been reported that several bronchioles had either become stenotic or were obstructed by peribronchiolar lymphocytic infiltrations, which resulted in cyst formations in patients with LIP (15,16). In the present case, lymphocytes had also infiltrated into the peribronchiolar interstitium, including well-developed lymph follicles, resulting in stenotic effects on the airways.…”

Section: F I G U R E 2 A) Hi S T O P a T H O L O G I C A L F I N D supporting

confidence: 46%

A Case of Pulmonary Nodular Lymphoid Hyperplasia with a Resected Cavity, followed by Spontaneous Regression of the Remaining Lesions

et al. 2010

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A 50-year-old man was admitted to our hospital for examination of an abnormal shadow on chest radiography. Computed tomography revealed multiple small nodular shadows in bilateral lung fields, with cavitation in a right S3 lesion that was resected by video-assisted thoracoscopic surgery. Histopathological examination revealed marked proliferation of lymphoid tissue, including many plasma cells that were polyclonal in nature. This case was considered to be pulmonary nodular lymphoid hyperplasia (PNLH). Several residual nodules spontaneously disappeared during the 6 years of follow-up. This was a rare case of PNLH with a resected cavity, followed by spontaneous regression of the remaining lesions.

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Section: F I G U R E 2 A) Hi S T O P a T H O L O G I C A L F I N D supporting

confidence: 46%

A Case of Pulmonary Nodular Lymphoid Hyperplasia with a Resected Cavity, followed by Spontaneous Regression of the Remaining Lesions

et al. 2010

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“…In our cohort, ground-glass opacities with multifocal thinwalled cysts, indicating a CT-LIP pattern, were observed in 8.2% of pSS patients. Chest HRCT and histological studies indicated that cystic airspace is a partial airway obstruction caused by peribronchiolar cellular infiltration (32). In a cohort of 60 patients with pSS, the most common CT findings were areas with ground-glass attenuation (92%), which are commonly observed in NSIP or LIP patterns (6).…”

Section: Discussionmentioning

confidence: 99%

Risk factors for primary Sjögren syndrome-associated interstitial lung disease

et al. 2018

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“…In a series of 22 patients with biopsy-proven LIP the primary HRCT features were [12]: Ichikawa et al [13] described cystic airspaces, and the associated lung biopsy specimens showed bronchiolar stenosis and obstruction caused by peribronchiolar lymphocytic infiltration, suggesting that the cyst formation in LIP could well be due to a partial ''check-valve'' bronchiolar obstruction.…”

Section: Imaging Findingsmentioning

confidence: 99%