An absent kidney is found in: (A) 1:200 individuals, (B) 1:700 individuals, (C) 1:1400 individuals, (D) 1:5000 individuals
Answer is C. About 1 in 1400 people have a single kidney. Sometimes a ureter and renal pelvis are present with no kidney. The contralateral kidney is typically hyperophied. Reference: page 1282 Bailey and Love's sho practice of surgery 26th edition ( note : according to 27th edition Complete absence of one kidney occurs in 1 in 500-1000 bihs )