Metanephric stromal tumor: a challenging diagnostic entity in children

Kaçar, Ayper; Azılı, Müjdem Nur; Cihan, Birsen Songül; Demir, Hacı Ahmet; Tiryaki, Tuğrul; Argani, Pedram

doi:10.1016/j.jpedsurg.2011.08.023

Cited by 17 publications

(12 citation statements)

References 12 publications

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“…[4] Kadar et al reported a case of MST in a child presenting as cystic mass with radio logically undetected small solid component because of blurring infiltrative margins. [5] Four of 31 reported MSTs in Armani series also large cystic component as in our case.…”

Section: Discussionsupporting

confidence: 53%

Metanephric stromal tumor: An unusual pediatric renal neoplasm

Bajaj

Misra

Batra

et al. 2013

J Indian Assoc Pediatr Surg

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A renal tumor in a 14-month- old child, who was initially diagnosed as mesoblastic nephroma, but on review post surgery was diagnosed as hyper-differentiated metanephric stromal tumor, with its excellent prognostic outcome. An attempt is made to document imaging features that may enable one to suspect this rare condition. The literature is reviewed with emphasis on its distinction from its look-alikes in the pediatric age group.

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Section: Discussionsupporting

confidence: 53%

Metanephric stromal tumor: An unusual pediatric renal neoplasm

Bajaj

Misra

Batra

et al. 2013

J Indian Assoc Pediatr Surg

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“…Metanephric stromal tumor is a benign stromal tumor of the kidney seen mostly within the first decade of life 155 with a mean age at presentation of 2 years. 155,156 The most common presentation is an abdominal mass.…”

Section: Metanephric Stromal Tumormentioning

confidence: 99%

“…155,156 The most common presentation is an abdominal mass. 155,156 This tumor, MA, and metanephric adenofibroma represent a spectrum of welldifferentiated nephroblastic lesions that appear to be related to WT.…”

Section: Metanephric Stromal Tumormentioning

confidence: 99%

“…155,156 This tumor, MA, and metanephric adenofibroma represent a spectrum of welldifferentiated nephroblastic lesions that appear to be related to WT. 142,155,157 The most characteristic histologic features include an onion skin ring formation around entrapped tubules and blood vessels with vascular changes, including angiodysplasia/epithelioid transformation of medial smooth muscle and myxoid changes. 102 It is composed primarily of spindle cells with a low proliferation index, and diffusely infiltrates the perirenal fat.…”

Section: Metanephric Stromal Tumormentioning

confidence: 99%

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An Approach to Renal Masses in Pediatrics

Malkan¹,

Loh²,

Bahrami³

et al. 2015

Pediatrics

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Renal masses in children may be discovered during routine clinical examination or incidentally during the course of diagnostic or therapeutic procedures for other causes. Renal cancers are rare in the pediatric population and include a spectrum of pathologies that may challenge the clinician in choosing the optimal treatment. Correct identification of the lesion may be difficult, and the appropriate surgical procedure is paramount for lesions suspected to be malignant. The purpose of this article is to provide a comprehensive overview regarding the spectrum of renal tumors in the pediatric population, both benign and malignant, and their surgical management.

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“…Unfortunately, calcifications are also seen in pediatric renal sarcomatous lesions. Echogenicity of the MAF varies on ultrasound [8] . Case reports describe no benefit to the use of magnetic resonance imaging in the characterization of this lesion.…”

Section: Discussionmentioning

confidence: 99%

An “accidental” discovery: Incidentally found metanephric adenofibroma in a 5-year-old male trauma patient

Sharma

Esnakula

Rajderkar

2018

Radiology Case Reports

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Metanephric adenofibroma is a rare pediatric renal tumor, which should be considered in cases of solid renal lesions that mimic Wilms tumor on both imaging and histology. We present a case of an incidentally found left renal lesion on a trauma computed tomography scan in a 5-year-old male patient. The patient underwent total nephrectomy, and the diagnosis of metanephric adenofibroma was made on histology. Radiologists should consider this entity in the differential for an incidentally found solitary renal mass in a pediatric patient. Prompting the pathologic diagnosis of this entity can spare patients from unnecessary chemotherapy and allow for nephron-sparing surgery.

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Metanephric stromal tumor: a challenging diagnostic entity in children

Cited by 17 publications

References 12 publications

Metanephric stromal tumor: An unusual pediatric renal neoplasm

Metanephric stromal tumor: An unusual pediatric renal neoplasm

An Approach to Renal Masses in Pediatrics

An “accidental” discovery: Incidentally found metanephric adenofibroma in a 5-year-old male trauma patient

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