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Case No : 1426 Date 2025-02-17
- Courtesy of Jeong Joo Woo / Nowon-Eulji University Hospital
- Age/Sex 44 / F
- Chief ComplaintWorkup of proven breast cancer
Discussion
Diagnosis With Brief Discussion
- Diagnosis
- Sclerosing pneumocytoma
- Radiologic Findings
- Brief Review
- PSP is a tumor, mostly benign in nature, with a proven pulmonary epithelial origin. PSP affects most frequently women in Eastern countries.
On CT, it appears as a peripherally located, well circumscribed, homogenously enhancing lesion. A few nonspecific signs have been described in CT, including marginal pseudo-capsule sign, overlying vessel sign, air-gap sign and halo sign, but these signs are not universal, and hence preclude a diagnosis based on radiology alone.
Calcification is rare and cavitation does not occur. They are described to be hypo metabolic on FDG-PET, although not always. A magnetic resonance imaging (MRI) does not provide any additional information towards the diagnosis. - Please refer to Case 142, Case 148, Case 168, Case 268, Case 1023, Case 1035, Case 1118, Case 1245, Case 1254,
- References
- 1. Manini C, Vezzini S, Conte A et al. Revisiting Pulmonary Sclerosing Pneumocytoma.Clin. Pract. 2024, 14(4), 1440-
2. Shin SY, Kim MY, Oh SY, et al. Pulmonary sclerosing pneumocytoma of the lung: CT characteristics in a large series of a tertiary referral center. Medicine (Baltimore). 2015 Jan;94(4):e498.
3. Lim JH, Lee N, Choi DW, et al. Pulmonary sclerosing pneumocytoma mimicking lung cancer: Case report and review of the literature. Thorac Cancer. 2016 Jul;7(4):508-11. - Keywords
No. of Applicants : 57
- ▶ Correct Answer : 25/57, 43.9%
-
- - medical scanning , Japan HIROAKI ARAKAWA
- - Affilitated Hospital of Jining Medical college , China JIANG SHENG HUA
- - Kyoto City Hospital , Japan YUSUKE UTSUNOMIYA
- - , Korea (South) DONG-HO BANG
- - Secomedic Hospital , Japan FUMINORI MIYOSHI
- - Oita University, Faculty of Medicine , Japan FUMITO OKADA
- - university of montreal , Canada Andrei Bogdan Gorgos I
- - University of Yamanashi , Japan TAKAAKI HASHIMOTO
- - University of Yamanashi , Japan HIROYUKI MORISAKA
- - The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
- - , Japan YOSHIKI ISHII
- - University of Yamanashi , Japan HIROAKI WATANABE
- - Osaka Metropolitan University Hospital , Japan SHU MATSUSHITA
- - , Japan SHUNJIRO NOGUCHI
- - Mie university , Japan SHIKO OKABE
- - Korea University Anam Hospital , Korea (South) KYU-CHONG LEE
- - The First Affiliated Hospital of Nanjing Medical University , China TENG ZHANG
- - Kyoto University , Japan SHO KOYASU
- - Kyung Hee University Medical Hospital , Korea (South) JEONG TAEK YOON
- - Yonsei University,Severance Hospital , Korea (South) SEO BUM CHO
- - Fukuoka university , Japan KEISUKE SATO
- - Kantou Rousai Hospital , Japan KAORU SUMIDA
- - Matsunami General Hospital , Japan TARO TAKEDA
- - , Japan YUMI MAEHARA
- - the first affiliatited hospital of nanjing medical univercity , China HAI XU
- ▶ Correct Answer as Differential Diagnosis : 11/57, 19.3%
-
- - Shiga University of Medical Science , Japan AKITOSHI INOUE
- - Kyoto University , Japan AKIHIKO SAKATA
- - Oita university , Japan AYUMI KAMEI
- - Vita Hospital , Brazil DIOGO LAGO PINHEIRO
- - Other , Korea (South) CHAEHUN LIM
- - Presbyterian Medical Center , Korea (South) HANLIM SONG
- - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
- - Osaka metropolitan university Hospital , Japan TATSUSHI OURA
- - Toyota Kosei Hospital , Japan YUKI HAYASHI
- - University of Yamanashi , Japan KOJIRO ONOHARA
- - Jiangsu province hospital , China WANGJIAN ZHA
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