Abstract
BackgroundTo summarize the diagnosis and treatment of cystic renal cell carcinoma (CRCC).MethodsA retrospective study was conducted on 13 patients with CRCC at our center from August 2004 to April 2012. The pathologic features, clinical manifestation, imaging characteristics, treatment, and prognosis of CRCC were summarized according to available literature.ResultsOf the 13 patients, 11 were diagnosed with CRCC by preoperative B ultrasonography and computed tomography (CT) scan. The remaining two cases were initially misdiagnosed with simple renal cysts. Open radical nephrectomy was performed on two of the 13 cases, laparoscopic radical nephrectomy on seven cases, and open partial nephrectomy on four cases. All diagnoses of CRCC were confirmed by pathological examination. After the operation, all patients had an uneventful recovery. During the follow-up (range, 6–60 months), the serum creatinine concentrations and GFR of the partially removed kidneys remained stable within the normal range. No tumor recurrence or metastasis occurred.ConclusionsBy combining imaging examinations (B ultrasonography and CT scan) with intraoperative pathological examination, most cases of CRCC can be diagnosed and treated promptly and accurately. Nephrectomy is the first-line therapy. Nephron-sparing surgery should be preferred for CRCC. After a successful operation, the prognosis of CRCC is good.
Highlights
To summarize the diagnosis and treatment of cystic renal cell carcinoma (CRCC)
Our study showed that most cases of CRCC can be diagnosed and treated promptly and accurately through the combination of imaging examinations (B ultrasonography and computed tomography (CT) scan) and intraoperative pathological examination
Nephron-sparing surgery should be preferred for CRCC
Summary
To summarize the diagnosis and treatment of cystic renal cell carcinoma (CRCC). Cystic renal cell carcinoma (CRCC) is a special type of renal cell carcinoma. It is relatively rare and involves fluid-filled masses. The classification of cystic renal disease is based on the Bosniak classification system (Table 1) [1,2]. CRCC is usually misdiagnosed as a benign renal cyst due to similar clinical manifestations and imaging characteristics. We retrospectively analyzed 13 cases with CRCC at our center and summarize the pathologic features, clinical manifestation, imaging characteristics, treatment, and prognosis of CRCC according to available literature
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