A unique case of kidney’s collecting system MALT lymphoma

Asgari, Seyyed Alaeddin; Aval, Hamidreza Baghani; Asgari, Seyed Ali; Kheradmand, Keyvan

doi:10.5489/cuaj.1452

Cited by 7 publications

(6 citation statements)

References 12 publications

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“…I wonder if there are methods that a lymphoma is diagnosed besides renal biopsy? A bone marrow biopsy may be useful, because there are a few patients whose bone marrow examination shows atypical cells [20,29,32,35].…”

Section: Discussionmentioning

confidence: 99%

Mucosa-associated lymphoid tissue lymphoma involving the kidney: a case report and review of the literature

et al. 2015

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Mucosa-associated lymphoid tissue (MALT) lymphomas arise from various anatomic sites, mostly observed in the gastrointestinal tract; however, involvement of the kidney is extremely rare. We report a case of MALT lymphoma involving the kidney in a 70-year-old man. Radical nephrectomy was performed under the diagnosis of renal cell carcinoma preoperatively. However, the renal specimen showed that the diffuse small-to medium-sized lymphocytes were scattered and formed colonies, and the neoplastic lymphoid cells were positive for CD20, CD79a, and Bcl-2, but negative for CD10 and Cyclin D1; therefore, the final histological diagnosis was MALT lymphoma involving the renal pelvis. Although he was referred to the department of hematology, no additional treatment was given postoperatively, and he has survived for 4 months without evidence of a recurrence of lymphoma at the last follow-up. To the best of our knowledge, to date 37 reports of MALT lymphoma involving the kidney have been published in the literature. We report a case of MALT lymphoma involving the kidney, and review the existing literature.

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Section: Discussionmentioning

confidence: 99%

Mucosa-associated lymphoid tissue lymphoma involving the kidney: a case report and review of the literature

et al. 2015

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“…MALT lymphoma has been reported infrequently in many sites including the endometrium, 114 uterine cervix, 115 breast, 116 kidney, 117,118 bladder, 119 and prostate. 120,121…”

Section: Other Anatomical Sitesmentioning

confidence: 99%

Marginal zone B-cell lymphoma: lessons from Western and Eastern diagnostic approaches

Nakamura

Ponzoni

2020

Pathology

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“…The etiology of renal MALT lymphoma is not well established since the kidney has no lymphoid tissue [ 12 ]. However, repetitive injury to renal lymphatics due to a chronic inflammatory process, such as chronic pyelonephritis, usually precedes the onset of MALT lymphoma [ 11 ]. Other disorders described in the literature as possible etiological factors are Sjögren’s syndrome, IgA nephropathy, membranoproliferative glomerulonephritis, Epstein-Barr virus, actinomycosis, sarcoidosis and systemic lupus erythematosus [ 5 ].…”

Section: Discussionmentioning

confidence: 99%

“…It is important to note that percutaneous biopsy is not recommended in suspicion of urothelial carcinoma because of the risk of tumour seeding [ 14 ]. Due to its differential diagnosis with the much more common RCC and urothelial carcinoma, and lack of specificity in most clinical and imagiologic findings, most diagnoses are made after radical nephrectomy [ 11 ]. The definitive diagnosis of MALT lymphoma is generally made based on histologic features and immunophenotype.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Mucosa-Associated Lymphoid Tissue Lymphoma Involving the Kidney and Renal Pelvis

Gromicho¹,

Araújo²,

Oliveira³

et al. 2021

Cureus

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Mucosa-associated lymphoid tissue (MALT) lymphomas are a distinctive group of B-cell lymphomas. These lymphomas arise from various anatomic sites and are mainly seen in the gastrointestinal tract, but the primary involvement of the kidney is extremely rare. We report a case of a MALT lymphoma involving the kidney and the renal pelvis. A 56-year-old man presented with a history of hematuria and left flank pain. A computed tomography scan showed a marked tissue densification in the renal sinus, suggesting marked thickening of the urothelium, conditioning deformity of the renal pelvis and calyces. A cystoscopy confirmed a 2-cm papillary lesion on the left lateral aspect of the bladder. The patient underwent laparoscopic radical nephoureterectomy and transurethral bladder resection. The pathological diagnosis was MALT lymphoma in the kidney and urothelial carcinoma of the bladder. The patient was referred to a hematologist and was free of disease at 20 months of follow up without additional treatment.

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A unique case of kidney’s collecting system MALT lymphoma

Cited by 7 publications

References 12 publications

Mucosa-associated lymphoid tissue lymphoma involving the kidney: a case report and review of the literature

Mucosa-associated lymphoid tissue lymphoma involving the kidney: a case report and review of the literature

Marginal zone B-cell lymphoma: lessons from Western and Eastern diagnostic approaches

Mucosa-Associated Lymphoid Tissue Lymphoma Involving the Kidney and Renal Pelvis

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