Case Report

Small Cell Carcinoma of the Renal Pelvis: A Case Report and Review of the Literature

Table 1

All published reports of patients with small cell carcinoma of the renal pelvis.

Pt noAuthor, yearAge (Y), sexHistory and investigationsHistopathology and ultrastructural findingsTreatmentFollowup

(1)Mills et al., 1988 [5]66, MLeft flank pain and hematuria4.7 cm tumor, SCC with TCC in situLeft nephrectomyDOD, 6 months
(2)Essenfeld et al., 1990 [6]66, FIntermittent hematuria, tiredness
Phenacitin abuse × 10 years
IVP—left kidney not visualized
RGP—left renal mass
7 × 3 × 2  cm papillary mass in the left renal pelvis, no infiltration into the renal parenchyma
SCC with grade III TCC
Left nephrectomyDF, 16 months
TCC in the opposite renal pelvis
(3)Essenfeld et al., 1990 [6]62, FAnorexia, asthenia, right flank discomfort and recurrent cystitis × 3 weeks.
Heavy smoker, B/l nephrolithiasis × 34 years
IVP—right renal mass, multiple staghorn calculi
CECT scan-right renal mass, no metastases.
SCC with grade III papillary TCCRight nephrectomy adjuvant CTx; vinblastin and mitomycin → poor response → cyclophosphamide and 5-flurouracilDOD; lung metastases, 8 months
(4)Guillou et al.,1993 [7]71, FIntermittent RUQ pain × 2 months
Smoker, 50 pack-years
US and CECT scan—right renal pelvis tumor, no metastases.
Needle biopsy—SCC
5 cm tumor in the renal pelvis, SCC with TCC
Scarce neurosecretory granules
Plentiful desmosomes
Right nephrectomy adjuvant CTx; 6 cycles of carboplatin + teniposide regional LN recurrence 3 months after surgery → RT, 50 Gy to renal bed and scalp metastasesDOD, 8 months
(5)Mazzucchelli et al., 1995 [8]37, FGross hematuria × weeks
Smoker 1PPD
CECT scan— 1 5 × 1 0 × 8  cm right renal pelvis tumor infiltrating into the perirenal fatty tissue
retroperitoneal LN metastases
undifferentiated SCC with rare foci of grade III TCC, tumor infiltrating into the perirenal fatty tissue,
retroperitoneal LN metastases seen
neurosecretory granules seen
Right nephrectomy Adjuvant CTx; cyclophosphamideDOD; local progression and liver metastases, 3 months
(6)Kuromatsu et al., 1995 [9]78, MGross hematuria
CECT scan and RGP—right renal pelvis tumor
SCC with Grade II TCC
scattered desmosomes seen
Right radical nephroureterectomyDOD; peritoneal carcinomatosa, liver and LN metastases, 7 months
(7)Kitamura et al., 1997 [10]83, FRight back pain with hematuria × 2 months
USG, IVP, CT scan—right kidney lower pole tumor
Urine Cytology—class V TCC.
SCC with squamous and
glandular differentiation.
venous and lymphatic invasion seen
Right nephrectomyDOD; systemic metastases, 2 months
(8)Kojima et al., 1998 [11]61, FLeft lumbar pain, gross hematuria and high fever.
CECT scan—left renal pelvis tumor, infiltrating the kidney with hilar lymphadenopathy
SCC
neurosecretory granules seen
Neoadjuvant CTx; methotrexate, vinblastine, doxorubicin and cisplatin (M-VAC)
Left nephrectomy
DOD, 3 months
(9)Chuang and Liao 2003 [12]42, MHematuriaSCC with TCCNephroureterectomyDOD; lung metastases, 6 months
(10)Chuang and Liao 2003 [12]44, FHematuria and painSCC with TCCNephroureterectomyDOD; lung, bone and LN metastases 31 months
(11)Shimasaki et al., 2005 [13]61, FRight flank pain, microhematuria, progressive renal dysfunction.
Urine Cytology—TCC
US and CT scan—right kidney middle pole tumor
RGP—right renal pelvis tumor extending into PUJ
6 . 5 × 4 × 3  cm tumor in the right renal pelvis
SCC with sarcomatoid squamous cell carcinoma
No extra renal invasion seen
Radical right nephroureterectomy with lymph node dissectionDF, 11 months
(12)Banerji et al., 2008 [14]55, MRight flank pain × 6 months
CECT— 1 . 5 × 1 . 5  cm pelvi-calyceal lesion and ureteric thickening 12 cm from the renal hilum with para-aortic and interaortocaval lymphadenopathy
1 × 1 × 2  cm tumor in the renal pelvis demonstrated only small cell carcinoma component and 7 × 1 × 1 . 5  cm tumor in the ureter had both transitional cell and small cell components
No lymph node metastases
Radical right nephroureterectomy with lymph node dissection
Adjuvant CTx; gemcitabin and carboplatin
NM
(13)Current Patient75, MLow back pain × 2 weeks
MR imaging— 4 . 8 × 4 × 3 . 7  cm homogeneous mass in the left renal pelvis with mild contrast enhancement and preaortic, par-aortic, aortocaval and retrocaval lymphadenopathy
Multifocal SCC with tumor emboli in the renal artery and lymphatics, tumor extended beyond fascia Gerota
4/4 LN positive for metastases
Radical right nephroureterectomyDied of pneumonia 2 months after surgery

Y: years, F: female, M: male, IVP: intravenous pyelography, RGP: retrograde pyelography, SCC: small cell carcinoma, TCC: transitional cell carcinoma, DF: disease free, LN: lymph node, CTx: chemotherapy, US: ultrasound, Gy: gray, PPD: pack per day, PUJ: pelvis-ureter junction, NM: not mentioned, and MR: magnetic resonance imaging.