A 40-yr-old woman with lung nodules

• 약 20 년 전 thyroid nodule 로 partial thyroidectomy• 3 년 전 lt.thyroid mass FNAC : cyst, benign lt.lobec

tomy of thyroid, 현재 T4 복용중• 5 년 전 Bilateral breast DCIS Dx. (YH) Bilateral subc

utaneous mastectomy with permanent prosthesis 시행 . (ER/PR+/+) 로 , tamoxifen medi. (2 년간 )

• 6 년 전 Ut. cervix CIS 로 hysterectomy,BSO 시행 .• 1 개월 전 f/u chest CT 상 multiple lung nodule detect• r/o metastatic lung nodule 로 w/u 위해 본원 adm.

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Multiple variable sized nodules in both lung

VAT’s wedge resection (LLL)

A ovoid yellow tan nodule with ill-defined margin and central sclerosis (arrows). Also note small nodules adjacent to the main nodule.

Sclerosis

Unusual finding of sclerosing pneumocytoma (so-called sclerosing hemangioma)Multiple nodules

Sclerosing Pneumocytoma; mixed sclerotic, papillary, and solid pattern

Sclerotic

Solid

papillary

Sclerotic

papillary

Solid

Clear cell change of epithelium

Papillary pattern Sclerotic pattern

Solid pattern Membrane stining