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Osmolarity: 600 mOsm/kg H2O
Protein <0.15 g/24h
Sodium of 45 mEq/L/d
Negative ketones
Negative nitrites
Negative leukocyte esterase
20 RBC/hpf
<2 WBC/hpf
40 squamous cells
No casts, bacteria, or yeast
An intravenous pyelogram is inconclusive. The treating urologist acquires several biopsies from the genitourinary system. The histopathologic preparation of one such biopsy is shown.
What condition does this patient have?
A. Clear cell carcinoma
B. Oncocytoma
C. Small cell carcinoma
D. Squamous cell carcinoma of the bladder
E. Transitional cell carcinoma
F. Wilms tumor
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