Kenyatta National Hospital surgeons have successfully performed what is believed to be the world’s largest gigantomastia surgery, removing 20.86 kilograms of breast tissue from a 17-year-old girl.
The 11-hour operation was conducted on September 22, 2025, relieving a heavy burden from Lydia Musivi, who had battled the rare and severe condition for more than 18 months.
Dr. Benjamin Wabwire, Head of Specialized Surgery and Consultant Plastic and Reconstructive Surgeon revealed that the weight of the tissue removed was equivalent to 37% of Lydia’s total body weight.
“This was more than a surgical success; it was the restoration of a young woman’s dignity and future. Our team at KNH proved that with world-class skill and deep compassion, we can overcome even the most extreme medical challenges. We are not just treating conditions; we are transforming,” he stated.
According to KNH, Lydia’s condition caused rapid and abnormal breast growth, resulting in chronic pain, skin infections, and emotional distress. The condition left her unable to walk or stand upright due to pain, forcing her to abandon her studies.
“Lydia’s condition caused extreme, rapid breast growth, leading to chronic pain, skin infections, and profound emotional distress. The simple act of walking and standing up straight had become a struggle, and her hope for a future was fading,” KNH stated.
Breast Cancer is no longer a disease of the elder
Lydia has since been discharged and is recuperating at her home in Mwingi, Kitui County awaiting to resume her education in January 2026.
“The weight is now over. I feel free, lighter, and ready to return to school. I can finally live the life I was meant to live and follow my dream of becoming a high school teacher,” Lydia said.
The surgical procedure was performed by a multidisciplinary team of experts including Professor Lew and Dr Kim from South Korea’s Yonsei University, working alongside Dr Claire Odero, Dr Agnes Wanjiru, and Dr Joy Mwangi from KNH.
Anesthesia was managed by Dr Eileen Towett and Dr Hellen Mwari, while the nursing team, under the leadership of Esther Munga and Eun Jin Chae, provided round-the-clock support throughout the operation and recovery.
Lydia’s mother, Naomi Mutendwa, recalled the painful journey her family endured before finding help at KNH.
“I watched my daughter disappear under the weight of this illness. It stole her confidence and her future. We felt hopeless until we were referred to KNH from Garissa County Referral Hospital.
“The team here saw the girl, not just the condition. They didn’t just treat her; they gave me back my daughter. They have given her a second chance at life,” she said.
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