File:Non-Hodgkin lymphoma involving seminal vesicles with development of interstitial pneumonitis during Rituximab therapy (Radiopaedia 32703-33677 Annotated CT 1).jpg

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Summary:

Description
  • Radiopaedia case ID: 32703
  • Image ID: 9415361
  • Image stack position: 1/6
  • Plane projection: Annotated CT
  • Study findings: CT part of the study shows bilateral seminal vesicle enlargement, enlargement of the appendix, enlarged mesenterial and retroperitoneal lymph nodes encasing, but not invading vessels. Involvement of the lungs as well as mediastinal and cervical lymph node stations are also noted. Lesions are homogenously contrast-enhancing, but not vascular. PET part of the study proves hyper metabolic nodular and extra nodular involvement. Uptake in most infra diaphragmatic lesions is markedly above hepatic uptake, Deauville scale 5. Uptake in parailiacal and supra diaphragmatic lesions is slightly to moderately above hepatic uptake, Deauville scale 4.
  • Modality: Annotated image
  • System: Haematology
  • Findings: Enlarged and vividly FDG-enhancing seminal vesicles and appendix. FDG-avid infra- and supradiaphragmal lymphadenopathy is also noted, as well as predominantly nodular pulmonary involvement. Bilateral mild pleural effusion. No evidence of hepatic, splenic or bone marrow involvement. Incidental note is made of a gallstone in infundibulum, duodenal diverticulum, simple hepatic and renal cysts, a sub-cm lesion in the left hepatic lobe, mostly resembling hemangioma, and an umbilical hernia. Conclusion The overall imaging appearances with hyper metabolic involvement of nodal and extra nodal sites and the homogenously contrast-enhancing, but neither invasive nor vascular lesions are highly suggestive of malignant lymphoma.
Date Published: 19th Dec 2014
Source https://radiopaedia.org/cases/non-hodgkin-lymphoma-involving-seminal-vesicles-with-development-of-interstitial-pneumonitis-during-rituximab-therapy-1
Author René Pfleger
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

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Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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