A 5-month-old female child admitted to the department of paediatric surgery, civil hospital with congenital anomaly of parasitic twins or heteropagus (4 lower limbs). The Parents were not aware of congenital anomaly antenatally. The baby was delivered vaginally at full term and the anomaly came to light. The baby was thoroughly investigated in form of X-Ray, USG, MRI, CT IVP, Per Rectal Dye study.

The parasitic twin with well-developed lower limbs and rudimentary sacrum was attached to the sacrum of the normal baby with a big lumbo-sacral meningomyelocele, with rudimentary penile skin tag and poorly developed scrotum. There were no other pelvic organs in the parasitic twin. The patient underwent surgery on 24th May 2017. The challenges in the surgery were removal of the parasitic pelvis with both the lower limbs without damaging the  spinal cord of the baby; detethering and separation…