대한흉부영상의학회 Weekly Chest Cases

Case No : 1197 Date 2020-09-28

Courtesy of Byunggeon Park , Kyung Min Shin, Jae-Kwang Lim, Jongmin Park / Kyungpook National University Kyungpook National University Chilgok Hospital
Age/Sex 53 / F
Chief ComplaintIncidentally found consolidation

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Figure 2
Figure 3
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Figure 6

initial CT

Diagnosis With Brief Discussion

Diagnosis: MALT lymphoma
Radiologic Findings: Figure 1. Consolidation is demonstrated on chest CT scanned 5 years ago.
Figure 2 and 3. Chest CT images with lung and mediastinal window setting show consolidation with ground glass opacity and interstitial thickening in left upper lobe, lingular division. In comparison with previous CT, these lesions are slowly increasing in extent. Pleural retraction and air-bronchogram are also noted.
Figure 4 and 5. Follow up axial and coronal chest CT images obtained after 3 weeks show no appreciable change of the lesion.
Figure 6. Subsequent PET CT demonstrates FDG uptake in the lesion.
Brief Review: MALT lymphoma (MALToma) is a monoclonal lymphoid proliferation arising from a B-cell progenitor within the BALT, and is classified as low-grade marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue in the World Health Organization (WHO) classification. Histologically, MALT lymphoma is a lesion comprised of sheets of monoclonal lymphocytes with occasional interspersed plasma cells.
The radiologic features of BALT lymphomas do not differ from those of other pulmonary lymphomas. Most commonly, lesions consist of masses, masslike areas of consolidation, or pulmonary nodules. On PET/CT, BALT lymphomas may or may not show increased uptake of FDG. Air bronchograms and enhancing vessels through the masses can be observed. Pleural effusion and thickening, cavitation, and hilar and mediastinal lymphadenopathy are not commonly seen.
Please refer to
References: 1. Sirajuddin, Arlene, et al. "Primary pulmonary lymphoid lesions: radiologic and pathologic findings." Radiographics 36.1 (2016): 53-70.
2. Hayashi, Daichi, et al. "Mucosa-associated lymphoid tissue lymphoma: multimodality imaging and histopathologic correlation." American Journal of Roentgenology 195.2 (2010): W105-W117.
Keywords: Lung, Neoplasm_Malignant, Lymphoma,

No. of Applicants : 78

▶ Correct Answer : 45/78, 57.7%

- Mayo Clinic , Japan HIROAKI TAKAHASHI
- Chonnam National University Hwasun Hospital , Korea (South) WONGI JEONG
- Jiangsu province hospital , China WANGJIAN ZHA
- The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
- Soonchunhyang University Hospital Bucheon , Korea (South) SEONGHWAN BYUN
- Yeungnam University Medical Center , Korea (South) JONGSOO PARK
- , Japan YUMI MAEHARA
- university of montreal , Canada Andrei Bogdan Gorgos I
- Diskapi Yildirim Beyazit Hospital, Ankara , Turkey MERIC TUZUN
- University of Tsukuba Hospital , Japan SODAI HOSHIAI
- Eskisehir Sehir Hastanesi , Turkey MURAT SAHIN
- University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
- National Center for Global Health and Medicine , Japan HIROSHI TAKUMIDA
- Diagnose.me (BV) / Royal Perth Hospital , Australia YURANGA WEERAKKODY
- Hpital Marie lannelongue , France, Metropolitan PAULINE PRADERE
- Osaka City General Hospital , Japan SHU MATSUSHITA
- Oita University, Faculty of Medicine , Japan FUMITO OKADA
- DELTA CARE HOSPITAL, THANJAVUR, INDIA , India SIVARAJA SUBRAMANIAM
- Saitama-Sekishinkai Hosptal , Japan MIHOKO YAMAZAKI
- CH de la Cote Basque , France PAUL ARDILOUZE
- Chungbuk National University Hospital , Korea (South) MIHYEON PARK
- Chonbuk National University Hospital , Korea (South) SOL KI KIM
- Chonbuk National University Hospital , Korea (South) YOUNG JU SONG
- Chonbuk National University Hospital , Korea (South) YOUNGKWANG LEE
- Ichinomiya Nishi Hospital , Japan Takao Kiguchi
- Other , Korea (South) MINSU KIM
- the first affiliatited hospital of nanjing medical univercity , China HAI XU
- Chonbuk National University Hospital , Korea (South) MINJEE KIM
- Vita Hospital , Brazil DIOGO LAGO PINHEIRO
- Showa University Fujigaoka Hospital , Japan KYOKO NAGAI
- Hamamatsu University Hospital , Japan YUKI HAYASHI
- IRSA LA ROCHELLE , France JEAN LUC BIGOT
- Chungbuk National University Hospital , Korea (South) JUNGHWAN KIM
- Private sector , Greece VASILIOS TZILAS
- McGill University Health Center , Canada Alexandre Semionov
- Toranomon Hospital , Japan KAORU SUMIDA
- Ajou University Hospital , Korea (South) HYERIN KIM
- Ichinomiya Nishi Hospital , Japan CHIHIRO KIGUCHI
- Chonbuk National University Hospital , Korea (South) KUM JU CHAE
- , Japan KAZUMA TERAUCHI
- Ishikawa Matto Central Hospital , Japan MANABU AKIMOTO
- ZIGONG TCM HOSPITAL OF CHINA , China Cao Cunyou
- Kitano Hospital , Japan SATOSHI IKEDA
- Chonbuk National University Hospital , Korea (South) DONG HAN SHIN
- TWMU Medical Center East , Japan MASAFUMI KAIUME

▶ Correct Answer as Differential Diagnosis : 17/78, 21.8%

- Other , Korea (South) KYU-CHONG LEE
- Fortis hospital , Mohali , India SHALEEN RANA
- , Japan HIROAKI ARAKAWA
- Tiger Gate Hospital , Japan SHIN-ICHI CHO
- Cabinet Capricorne, clinique sainte-clotilde , Reunion FABIEN HO
- Mayo Clinic , United States AKITOSHI INOUE
- , Korea (South) HYUNGYU LEE
- , Japan HIROAKI ARAKAWA
- Affilitated Hospital of Jining Medical college , China JIANG SHENG HUA
- , Turkey MURAT TEPE
- Ondokuz Mayis University , Turkey CETIN CELENK
- National Center for Global Health and Medicine , Japan MASATOSHI HOTTA
- The University of Tokyo Hospital , Japan RYO KUROKAWA
- The University of Tokyo Hospital , Japan MOTO NAKAYA
- Narayana Multispeciality Hospital Jaipur Rajasthan , India JAINENDRA JAIN
- Kinki University Faculty of Medicine, , Japan MITSURU MATSUKI
- TB centre kasaragod. , India rikhy krishnan

대한흉부영상의학회 Korean Society of Thoracic Radiology

Archive of Old Cases

Case No : 1197 Date 2020-09-28

Discussion

No. of Applicants : 78