Eight patients with non-Hodgkin’s lymphoma who were inclinical remission but showed residual masses after . (A) A large retroperitoneal mass. (arrows) in a patient with . Tratamiento de linfomas no Hodgkin de celula grande con protocolo. NON-HODGKIN’S LYMPHOMA: No longer indicated for the routine staging of HL and most DLBCL . Include mediastinal and retroperitoneal disease. Extranodal disease is more common with Non-Hodgkin’s lymphoma Axial contrast-enhanced abdominal CT shows retroperitoneal lymph.

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It has been equated with watch and worry. Full screen case with hidden diagnosis. Bladder involvement is also extremely rare [ 5 ]. Case with hidden diagnosis. CT imaging features Omental caking is the reroperitoneal characteristic imaging presentation of secondary peritoneal malignancy. Retrieved 3 November In other projects Wikimedia Commons.

Benign Osteoid osteoma Pigmented villonodular synovitis Hemangioma. Enlarged lymph nodes are commonly seen in association with the mesenteric disease and should be a clue to the diagnosis. Most peritoneal neoplasms are malignant, and secondary malignancies far exceed primary tumors. Conflict of interest The authors have no conflicts of interest to declare.

Although these entities share some similar radiologic features, there are some contributory findings that may support the final diagnosis of lymphoma that the radiologist should know Fig.

Abstract Peritoneal lymphomatosis is a rare manifestation of lymphoma, seen most frequently with non-Hodgkin lymphoma, and it is important to be familiar with this condition, because early diagnosis directly affects the management of patients.

Retrieved 2 October After a diagnosis and before treatment, a cancer is staged.

Furthermore, lymph node involvement in sarcoma is very rare. Axial contrast-enhanced CT image shows small soft tissue nodules curved arrows within the greater omentum associated with large volume ascites.


Axial CT shows masses involving small bowel loops and ascending colon arrows. Presented with abdominal distension, lower limb weakness, and back pain. In patients with known disease, the goals of imaging are staging, evaluation of response to therapy, and identification of new or recurrent disease or of complications of therapy.

The appearance of peritoneal lymphomatosis may overlap with carcinomatosis and sarcomatosis, however bulky homogeneous masses or smooth peritoneal soft tissue thickening, diffuse lymphadenopathy, in addition to imaging features of variable extranodal lymphomatous involvement are contributory findings supporting the lymphoma diagnosis.

A year-old man with NHL involving the spleen. Some centers advocate the use of single agent rituximab in the treatment of follicular lymphoma rather than the wait and watch approach. Inthe Revised European-American Lymphoma REAL classification applied immunophenotypic and genetic features in identifying distinct clinicopathologic entities among all the lymphomas except Hodgkin lymphoma. The confluence of enlarged LN of HD is seldom seen Overall, the prognosis of lymphomatous transformation to higher grades is generally poor [ 6 ].

Despite peripelvic lymphoma encasing renal hilar structures, the vessels often remain patent, and there is often minimal hydronephrosis Figure 30 which helps to differentiate peripelvic lymphoma from transitional cell carcinoma or metastases [ 2 ].

Axial abdominal CT after administration of intravenous CM reveals a large mass in spleen arrows. Archived from the original pdf on 5 January Axial contrast-enhanced CT images A—C show lymphomatous infiltration in the periportal ertroperitoneal arrowheads, A, Bwith nodules and masses in the lesser sac and greater omentum asterisks, A, B. NHL in a year-old girl. Retrieved 18 June Small omental nodules associated with fine infiltration of the omental fat producing a smudged appearance can also be encountered Fig.

Axial gadolinium-enhanced T1-WI demonstrates lymphomatous infiltration of the retroperitoneum with extension to perinephric space bilaterally. Retroperitoneal lymphadenopathy is also seen asterisk. Retrieved 20 June Isolated renal lymphoma is rare due to the absence of lymphoid tissue in kidneys. At MR nodules are hypointense or isointense on T1-weighted images T1-WI and hyperintense on T2-WI retroperioneal demonstrate reduced enhancement after administration of gadolinium Gd compared with normal spleen [ 2 ].


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Retrieved 13 June HD of the colon is uncommon [ 510 ]. This is carried out because the harms and risks of treatment outweigh the benefits. B Axial contrast-enhanced CT image shows bulky homogeneous peritoneal masses arrow within the pelvis associated with free fluid and peritoneal enhancement arrowhead. The Working formulation of was a classification of non-Hodgkin lymphoma. Appendiceal lymphoma may present clinically as acute appendicitis [ 11 ].

Although familiarity with the imaging features of lymphoma is important, a definitive diagnosis requires a biopsy. It’s for Caregivers Too, Says Study”. A year-old man rdtroperitoneal a gastrointestinal stromal tumor and peritoneal sarcomatosis. A focal area of FDG uptake in the spleen is consistent with lymphoma involvement arrow, D and was not seen in the contrast-enhanced CT A.

However, secondary liver involvement is fairly common and is usually associated with lymph node disease. Archived from the original on 26 September HD rarely involves the gastrointestinal GI tract. Ramaiyaand Jyothi P. The sensitivity of the linfomx approach is higher than that of either technique alone [ 7 ].

Watch and wait is watch and worry”.

Renal lymphoma: spectrum of computed tomography findings

How to cite this article. The ureter is often affected by involved retroperitoneal nodes, but primary involvement of the ureter by lymphoma is rare. The two types of lymphoma research are clinical or translational research and basic research.