대한흉부영상의학회 Korean Society of Thoracic Radiology

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Weekly Chest CasesArchive of Old Cases

Case No : 850 Date 2014-02-10

  • Courtesy of Ki Yeol Lee, Ji Young Choo, Jung Won Kwak / Korea University Medical Center, Ansan
  • Age/Sex 65 / M
  • Chief ComplaintDyspnea, PHx: old TB
  • Figure 1
  • Figure 2
  • Figure 3
  • Figure 4
  • Figure 5
  • Figure 6

Diagnosis With Brief Discussion

Diagnosis
Endobronchial Hamartoma
Radiologic Findings
On chest PA and lateral view, RUL atelectasis and bronchial obstruction are seen. Fissural deviation was also noted.
The possibility of endobronchial lesion such as central lung cancer or other endobronchial tumor was suggested.
On CT, RUL bronchus was obstructed by endobronchial calcified mass. There was atelectasis caused by bronchial obstruction. The mass had foci of negative HU, suggesting fatty component.
The mass was removed by wedge resection and confirmed as endobronchial hamartoma.
Brief Review
Hamartoma is the most common benign lung tumor.
Endobronchial hamartoma is a specific subset comprising approximately 10
References
1. Cosio BG, Villena V, Echave-Sustaeta J, et al. Endobronchial hamartoma. Chest 2002; 122:202-205
2. Fletcher JA, Pinkus GS, Donovan K, et al. Clonal rearrangement of chromosome band 6p21 in the mesenchymal component of pulmonary chondroid hamartoma. Cancer Res 1992; 52:6224-6228
3. Siegelman SS, Khouri NF, Scott WW, et al. Pulmonary hamartoma: CT findings. Radiology 1986; 160:313-317
4. Erasmus JJ, Connolly JE, McAdams HP, Roggli VL. Solitary pulmonary nodules. Part I. Morphologic evaluation for differentiation of benign and malignant lesions. RadioGraphics 2000; 20:43-58
5. Ko JM, Jung JI, Park SH, et al. Benign tumors of the tracheobronchial tree: CT-pathologic correlation. AJR 2006; 186:1304-1313
6. Park CM, Goo JM, Lee HJ, Kim MA, Lee CH, Kang MJ. Tumors in the tracheobronchial tree: CT and FDG PET features. RadioGraphics 2009; 29:55-71
Keywords
Lung, Benign tumor,

No. of Applicants : 81

▶ Correct Answer : 10/81,  12.3%
  • - Tokyo Metropolitan Police Hospital , Japan Akifumi Hagiwara
  • - university of montreal , Canada Andrei Gorgos I
  • - Asan Medical Center, Ulsan University , Korea (South) Mi Young Kim
  • - Asan medical center , Korea (South) Hyun Joo Lee
  • - Asan medical center , Korea (South) Sang Young Oh
  • - Seoul national university hospital , Korea (South) Sun Ah Kim
  • - Seoul National University Hospital , Korea (South) Sang Min Lee
  • - CNUH , Korea (South) Kim Soo Hyun
  • - kanto Rosai Hp , Japan Takana Yamakawa
  • - Kyungpook National University Hospital , Korea (South) Jaekwang Lim
▶ Correct Answer as Differential Diagnosis : 12/81,  14.8%
  • - Niigata City General Hospital , Japan Takao Kiguchi
  • - Kyung Hee University Hospital at Gangdong , Korea (South) Seong Jong Yun
  • - Yokohama-asahi-chuo-general hospital , Japan Kyoko Nagai
  • - Chonnam National University Hospital , Korea (South) Sungmin Moon
  • - Kizawa Memorial Hospital , Japan Yo Kaneko
  • - IRSA La Rochelle , France Denis Chabassiere
  • - Teikyo University Mizonokuchi Hospital , Japan Kaoru Sumida
  • - C.B.H. Dpt of Imaging-Clinica , Italy Carlo Florio
  • - chp st martin , France Mariotte benoit
  • - NASA SCANS , India RAKESH BHATIA
  • - Private sector , Greece Vasilios Tzilas
  • - Medicheck health care , Korea (South) Chae Lim
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