CT of abdominal lymphoma after renal transplantation

Frick, Mathis P.; Salomonowitz, Erich; Hanto, Douglas W.; Gedgaudas-McClees, K

doi:10.2214/ajr.142.1.97

Cited by 19 publications

(7 citation statements)

References 3 publications

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“…However, several cases of positive diagnosis obtained after percutaneous biopsy have been reported [9,22,31]. We observed a case with an unexpected positive diagnosis of PTLD obtained from a biopsy performed for suspicion of rejection, without circumscribed abnormality of the renal parenchyma on ultrasound.…”

Section: Role Of Biopsymentioning

confidence: 77%

“…Radiological patterns of lymphoma arising primarily within the renal allograft have been infrequently reported [30,31]; they are described first, and illustrated by cases from our institution. Presentation of diffuse forms invading several organs is more common and are subsequently briefly discussed.…”

Section: Imaging Appearancesmentioning

confidence: 94%

“…Mean attenuation values on non-contrast scans are less in the renal parenchyma (20±30 UH) [24,30,31]; after iodine injection, the mass shows moderate, often heterogeneous enhancement (Figs. 2 b, 3 g).…”

Section: Computed Tomographymentioning

confidence: 99%

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Lymphoproliferative disorders after renal transplantation: role of medical imaging

et al. 1998

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Post-transplantation lymphoproliferative disorders (PTLD) are a complication of immunosuppressed transplant recipients, and their incidence is reported to be 20-120 times greater than the rate in the general population. After kidney transplantation, PTLD more likely arise within the renal transplant fossa. Radiological patterns of these forms are presented and discussed, according to a review of the literature, and illustrated by cases from our institution. Ultrasound plays an essential role in the early diagnosis of PTLD by detecting a urinary obstruction associated with adenopathy or an ill-defined mass not previously seen. However, in the case of an inconclusive US examination, CT or MRI should be performed to confirm the presence of a mass. Both techniques are useful in evaluating the extension of the process within the transplantation fossa; MRI seems more accurate and can be used for the follow-up, especially after reduction in immunosuppressive therapy without transplant removal.

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Section: Role Of Biopsymentioning

confidence: 77%

Section: Imaging Appearancesmentioning

confidence: 94%

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Lymphoproliferative disorders after renal transplantation: role of medical imaging

et al. 1998

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“…4 • 9 Lymphoma affecting the graft can result from either contiguous spread from an adjacent retroperitoneal mass or from hematogenous dissemination. 9 Analogous to most lymphomas occurring in native kidneys,10-l2 lymphoma involving a renal transplant can present as a hypoechoic mass.4.5 As demonstrated by this case, the lesion can have a variable echogenicity depending on scanning technique and equipment (Fig. 1).…”

Section: Russ Et Al 455mentioning

confidence: 88%

Posttransplant lymphoma. Sonographic characteristics of renal allograft involvement.

Russ¹,

Way²,

Pretorius³

et al. 1987

Journal of Ultrasound in Medicine

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“…The lymphomas are another common neoplasm that have been well-described [2,5,6]. Previous reports of neoplasms of the gastrointestinal tract in these patients have usually been lymphomas, with rare carcinomas being reported [1,6,7].…”

mentioning

confidence: 99%

Gastrointestinal carcinomas in renal transplant recipients

Feczko

Mezwa

1991

Gastrointest Radiol

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The development of malignancies in renal transplant recipients is well documented. Typically, these are cutaneous tumors or lymphomas. During the past 5 years, we have encountered six patients with documented carcinomas of the gastrointestinal tract, which developed after these patients received renal transplants. These carcinomas developed at an average of 10 years (range 2-16 years) after renal transplantation. There were three carcinomas of the colon, and one each of the esophagus, stomach, and anal canal. In many instances, the patients had examinations prior to transplantation which were normal. Several surveys of transplant recipients indicate there is an increased incidence of gastrointestinal tract malignancies after transplantation. These studies also recommend that screening of the gastrointestinal tract in long-term transplant recipients be performed. Since these patients are often imaged in the radiology department, radiologists must be aware of this possible complication.

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CT of abdominal lymphoma after renal transplantation

Cited by 19 publications

References 3 publications

Lymphoproliferative disorders after renal transplantation: role of medical imaging

Lymphoproliferative disorders after renal transplantation: role of medical imaging

Posttransplant lymphoma. Sonographic characteristics of renal allograft involvement.

Gastrointestinal carcinomas in renal transplant recipients

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