Tuberous sclerosis with visceral organ involvement

Area of Science:

• Medical Genetics
• Pediatric Neurology
• Cardiology

Background:

• Tuberous sclerosis (TS) is a genetic disorder characterized by the development of tumors in various organs.
• Visceral organ involvement in TS can lead to significant morbidity, necessitating a thorough understanding of its incidence.

Purpose of the Study:

• To determine the incidence and patterns of visceral organ involvement in a cohort of patients diagnosed with tuberous sclerosis.
• To highlight the most commonly affected visceral organs in TS and their clinical implications.

Main Methods:

• Retrospective review of 30 patients diagnosed with tuberous sclerosis between 1987 and 1997.
• Analysis of medical records to identify and document visceral organ involvement, including cardiac, renal, and retinal manifestations.

Main Results:

• The study reviewed 30 TS cases (17 males, 13 females; ages 1 day to 17 years).
• Most common manifestations included seizures (25), skin issues (25), and cerebral tubercles (24).
• Visceral organ involvement was observed in the heart (10 cases; 9 rhabdomyoma, 1 cardiomyopathy), kidneys (4 cases; 3 polycystic kidney disease, 1 hamartoma), and retina (3 cases; astrocytic hamartoma).
• Heart and kidney involvement were the most frequent visceral complications.
• Cardiac rhabdomyomas were prevalent in infants under one year old.
• No mortality was recorded among patients with visceral organ involvement during the study period.

Conclusions:

• Visceral organ involvement, especially of the heart and kidneys, is a significant concern in tuberous sclerosis management.
• Clinicians should maintain a high index of suspicion for cardiac and renal abnormalities in TS patients.
• Prompt recognition and management of visceral TS manifestations are essential to prevent severe morbidity.