<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Tuberous sclerosis complex (TSC) is an autosomal-dominant multi system disorder. The genetic basis of the disorder is mutations in the <italic>TSC1</italic> or <italic>TSC2</italic> gene, which leads to over activation of the mammalian target of rapamycin (mTOR) protein complex and results in development of benign tumors in different body systems such as brain, skin, lungs and kidney. The mTOR inhibitors are presently the main treatment option for patients with TSC. We here report a 21-year female patient with large bilateral angiomyolipoma (AML) in both kidneys with longest diameter more than 12.3 cm and subependymal giant cell astrocytoma (SEGA). Treatment with everolimus (EVE) was initiated at a dose of 10.0 mg/day and continued during the following 3 years. Magnetic resonance imaging (MRI) was performed before treatment with everolimus was initiated, and consequently at 12 and 36 months for follow-up of the efficacy of the treatment. After 3 years, the total size of largest AML decreased by ~24.0% in the longest diameter. A reduction of the total size of SEGA was also observed. The most common adverse effect of treatment was stomatitis grades 3 to 4 and one febrile episode associated with skin rash that required a reduced dose of EVE. In conclusion, the everolimus treatment improved even such a large renal AML and the effect persisted during the long-term administration with a small number of adverse effects. A positive effect was observed on the brain tumor as well.</p></abstract>

Tuberous sclerosis complex (TSC) is an autosomal-dominant multi system disorder. The genetic basis of the disorder is mutations in the TSC1 or TSC2 gene, which leads to over activation of the mammalian target of rapamycin (mTOR) protein complex and results in development of benign tumors in different body systems such as brain, skin, lungs and kidney. The mTOR inhibitors are presently the main treatment option for patients with TSC. We here report a 21-year female patient with large bilateral angiomyolipoma (AML) in both kidneys with longest diameter more than 12.3 cm and subependymal giant cell astrocytoma (SEGA). Treatment with everolimus (EVE) was initiated at a dose of 10.0 mg/day and continued during the following 3 years. Magnetic resonance imaging (MRI) was performed before treatment with everolimus was initiated, and consequently at 12 and 36 months for follow-up of the efficacy of the treatment. After 3 years, the total size of largest AML decreased by ~24.0% in the longest diameter. A reduction of the total size of SEGA was also observed. The most common adverse effect of treatment was stomatitis grades 3 to 4 and one febrile episode associated with skin rash that required a reduced dose of EVE. In conclusion, the everolimus treatment improved even such a large renal AML and the effect persisted during the long-term administration with a small number of adverse effects. A positive effect was observed on the brain tumor as well.

Bilateral renal angiomyolipomas and subependymal giant cell astrocytoma associated with tuberous sclerosis complex: A case report and review of the literature

Balkan Journal of Medical Genetics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Tuberous sclerosis complex (TSC) is an autosomal-dominant multi system disorder. The genetic basis of the disorder is mutations in the TSC1 or TSC2 gene, which...

Bilateral renal angiomyolipomas and subependymal giant cell astrocytoma associated with tuberous sclerosis complex: A case report and review of the literature

Article Category: Case report

Published Online: Mar 23, 2021

Page range: 93 - 98

DOI: https://doi.org/10.2478/bjmg-2020-0017

Keywords
Tuberous sclerosis complex (TSC), Angiomyolipoma (AML), Subependymal giant cell astrocytoma (SEGA), Everolimus (EVE)

© 2020 Rambabova Bushljetik I, Lazareska M, Barbov I, Stankov O, Filipce V, Spasovski G, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Bilateral renal angiomyolipomas and subependymal giant cell astrocytoma associated with tuberous sclerosis complex: A case report and review of the literature

Article Category: Case report

Published Online: Mar 23, 2021

Page range: 93 - 98

DOI: https://doi.org/10.2478/bjmg-2020-0017

KeywordsTuberous sclerosis complex (TSC), Angiomyolipoma (AML), Subependymal giant cell astrocytoma (SEGA), Everolimus (EVE)

© 2020 Rambabova Bushljetik I, Lazareska M, Barbov I, Stankov O, Filipce V, Spasovski G, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Tuberous sclerosis complex (TSC), Angiomyolipoma (AML), Subependymal giant cell astrocytoma (SEGA), Everolimus (EVE)