Renal cell carcinoma presented as fever of unknown origin: Report of one case

Chih Chono Lin, Jiunn Ming Sheen, Chie Song Shieh, Shun Chen Huang, Kao Pin Hwang*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review


A 10-year-old girl, with an intermittent fever for 15 days, visited our emergency department. Initial work-up revealed no signs of infection and no palpable abdominal mass. KUB showed only displaced bowel gas. Abdominal ultrasound was performed which disclosed a huge mass at the lower pole of the right kidney. Abdominal computed tomography (CT) confirmed a huge, heterogeneous mass arising from the right kidney and without involvement of regional lymph nodes and inferior vena cava. Radical nephrectomy was performed and Stage 2 renal cell carcinoma (RCC) was confirmed. Fever subsided spontaneously after operation. No local recurrence or distant metastasis was detected in the following 3 years. Thus, occult malignant neoplasm as infrequent as RCC should be in the list of differential diagnoses of fever of unknown origin (FUO). An abdominal ultrasound is a useful screening tool for early diagnosis of RCC.

Original languageEnglish
Pages (from-to)388-391+412
JournalZhonghua Minguo xiao er ke yi xue hui za zhi [Journal]. Zhonghua Minguo xiao er ke yi xue hui
Issue number6
StatePublished - 11 2005
Externally publishedYes


  • Child
  • Fever of unknown origin
  • Renal cell carcinoma


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