Schwannoma of the kidney

Stefano Gobbo, John Eble, Jiaoti Huang, David Grignon, Mingsheng Wang, Guido Martignoni, Matteo Brunelli, Liang Cheng

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Schwannomas of the kidney are rare, with only a few reported cases. We report three additional cases with immunohistochemical analysis. All three tumors were from females (aged 27, 35, and 59 years) and ranged from 4.8 to 8 cm in diameter. All of the patients underwent nephrectomy. The tumors were totally or partially encapsulated; two were in the hilum and one was centered in the renal cortex. All tumors were diffusely positive for S100 protein. Two were positive for neuron-specific enolase. Immunostaining for neurofilament, HMB45, microphthalmia transcription factor, smooth muscle actin, CD34, cytokeratin AE1/3, cytokeratin 7, and CD10 were negative. Follow-up data were available for two patients; neither had tumor recurrence or metastasis. In conclusion, renal schwannoma is rare, usually arises centrally, impinging on the hilum or the pelvis, and is cured by resection. Sarcomatoid carcinoma and other spindle cell tumors should be considered in the differential diagnosis.

Original languageEnglish
Pages (from-to)779-783
Number of pages5
JournalModern Pathology
Volume21
Issue number6
DOIs
StatePublished - Jun 8 2008

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Neurilemmoma
Kidney
Neoplasms
Keratin-3
Microphthalmia-Associated Transcription Factor
Keratin-7
Intermediate Filaments
S100 Proteins
Phosphopyruvate Hydratase
Nephrectomy
Pelvis
Smooth Muscle
Actins
Differential Diagnosis
Neoplasm Metastasis
Carcinoma
Recurrence

Keywords

  • Biomarker
  • Immunohistochemistry
  • Kidney
  • Neoplasia
  • Schwannoma
  • Soft tissue tumor

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Schwannoma of the kidney. / Gobbo, Stefano; Eble, John; Huang, Jiaoti; Grignon, David; Wang, Mingsheng; Martignoni, Guido; Brunelli, Matteo; Cheng, Liang.

In: Modern Pathology, Vol. 21, No. 6, 08.06.2008, p. 779-783.

Research output: Contribution to journalArticle

Gobbo, S, Eble, J, Huang, J, Grignon, D, Wang, M, Martignoni, G, Brunelli, M & Cheng, L 2008, 'Schwannoma of the kidney', Modern Pathology, vol. 21, no. 6, pp. 779-783. https://doi.org/10.1038/modpathol.2008.52
Gobbo, Stefano ; Eble, John ; Huang, Jiaoti ; Grignon, David ; Wang, Mingsheng ; Martignoni, Guido ; Brunelli, Matteo ; Cheng, Liang. / Schwannoma of the kidney. In: Modern Pathology. 2008 ; Vol. 21, No. 6. pp. 779-783.
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