Michaela Plamper1, Felix Schreiner2, Bettina Gohlke2, Janina Kionke3, Eckard Korsch4, James Kirkpatrick5, Mark Born6, Stefan Aretz3, Joachim Woelfle2. 1. Pediatric Endocrinology and Diabetology Division, Children's Hospital, University of Bonn, Adenauerallee 119, 53113, Bonn, Germany. Michaela.Hamm@ukb.uni-bonn.de. 2. Pediatric Endocrinology and Diabetology Division, Children's Hospital, University of Bonn, Adenauerallee 119, 53113, Bonn, Germany. 3. Institute for Human Genetics, University of Bonn, Sigmund-Freud-Straße 25, 53127, Bonn, Germany. 4. Pediatric Endocrinology, Children's Hospital, Amsterdamer Straße 59, 50735, Köln, Germany. 5. Institute of Pathology, University of Mainz, Langenbeckstraße 1, 55131, Mainz, Germany. 6. Department of Radiology, Pediatric Radiology, Children's Hospital, University of Bonn, Adenauerauerallee 119, 53113, Bonn, Germany.
Abstract
Patients with PTEN hamartoma tumor syndrome (PHTS) are at increased risk of developing benign and malignant tumors, including thyroid carcinoma. Benign thyroid lesions and single cases of thyroid carcinoma have been reported in children with PHTS. We conducted a retrospective, single-centered study including children and adolescents with a molecularly proven diagnosis of PTEN. Our cohort consists of 16 patients, with a mean age at diagnosis PHTS of 5.7 years. Twelve of 16 cases exhibited thyroid abnormalities (75%). In seven patients, thyroid abnormalities were already present at first ultrasound screening, in five cases they occurred during follow-up. Eight patients underwent thyroidectomy. Histopathology included nodular goiter, follicular adenoma, papillary microcarcinoma in a boy of six and follicular carcinoma in a girl of 13 years. Two patients had autoimmune thyroid disease. CONCLUSION: Thyroid disease is common in children with PHTS. Physicians caring for patients with early thyroid abnormalities and additional syndromal features should be aware of PHTS as a potentially underlying disorder. Ultrasound screening should be performed immediately after diagnosis of PHTS and repeated yearly or more frequently. Because of possible early cancer development, we recommend early surgical intervention in the form of total thyroidectomy in cases of suspicious ultrasound findings. What is Known: • PHTS patients are at high risk of developing benign and malignant tumors. • Individual cases of thyroid carcinoma in children have been reported. What is New: • Thyroid disease is even more common in children with PHTS (75%) than previously expected. • Frequently thyroid disease is the first organ pathology requiring diagnostic workup and therefore children with PHTS should be examined for thyroid disease right after diagnosis and receive follow-up on a regular basis throughout life.
Patients with PTEN hamartoma tumor syndrome (PHTS) are at increased risk of developing benign and malignant tumors, including thyroid carcinoma. Benign thyroid lesions and single cases of thyroid carcinoma have been reported in children with PHTS. We conducted a retrospective, single-centered study including children and adolescents with a molecularly proven diagnosis of PTEN. Our cohort consists of 16 patients, with a mean age at diagnosis PHTS of 5.7 years. Twelve of 16 cases exhibited thyroid abnormalities (75%). In seven patients, thyroid abnormalities were already present at first ultrasound screening, in five cases they occurred during follow-up. Eight patients underwent thyroidectomy. Histopathology included nodular goiter, follicular adenoma, papillary microcarcinoma in a boy of six and follicular carcinoma in a girl of 13 years. Two patients had autoimmune thyroid disease. CONCLUSION:Thyroid disease is common in children with PHTS. Physicians caring for patients with early thyroid abnormalities and additional syndromal features should be aware of PHTS as a potentially underlying disorder. Ultrasound screening should be performed immediately after diagnosis of PHTS and repeated yearly or more frequently. Because of possible early cancer development, we recommend early surgical intervention in the form of total thyroidectomy in cases of suspicious ultrasound findings. What is Known: • PHTSpatients are at high risk of developing benign and malignant tumors. • Individual cases of thyroid carcinoma in children have been reported. What is New: • Thyroid disease is even more common in children with PHTS (75%) than previously expected. • Frequently thyroid disease is the first organ pathology requiring diagnostic workup and therefore children with PHTS should be examined for thyroid disease right after diagnosis and receive follow-up on a regular basis throughout life.
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