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Diseases Predisposing to Adrenocortical Malignancy (Li–Fraumeni Syndrome, Beckwith–Wiedemann Syndrome, and Carney Complex)

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Genetics of Endocrine Diseases and Syndromes

Part of the book series: Experientia Supplementum ((EXS,volume 111))

Abstract

Adrenocortical malignancies can occur in the context of several tumor predisposition syndromes.

The Carney complex (CNC) is responsible for the majority of primary pigmented nodular adrenal diseases and is more rarely associated with adrenocortical carcinoma (ACC). Other core manifestations of CNC include cardiac and cutaneous myxomas, lentiginosis, somatotroph pituitary adenomas, Sertoli tumors, melanocytic schwannoma, and thyroid, breast, and bone tumors. CNC is mostly due to germline inactivating mutations of PRKAR1A.

The majority of childhood ACC are related to genetic predisposition. The Beckwith–Wiedemann syndrome (BWS) is an overgrowth and tumor predisposition syndrome due to genetic or epigenetic alterations at the 11p15 locus. Classical tumor spectrum of BWS includes embryonal tumors and childhood ACC. The Li–Fraumeni syndrome (LFS) is a devastating tumor predisposition syndrome, due to germline inactivating mutations of TP53, and characterized by a high, various, and early-onset cancer risk. LFS spectrum includes premenopausal breast cancer, soft-tissue sarcoma, osteosarcoma, central nervous system tumor, and ACC, accounting for 50–80% of pediatric cases. Finally, germline predisposition affects up to 10% of adult ACC patients, mostly in part of LFS and Lynch syndrome.

This chapter focuses on the diagnosis, screening, and management of adrenal tumors in part of these tumor predisposition syndromes.

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Abbreviations

ACC:

Adrenocortical carcinoma

APC:

Adenomatous polyposis coli

BRCA2:

Breast cancer 2

BWS:

Beckwith–Wiedemann Syndrome

cAMP:

Cyclic adenosine monophosphate

CDKN1C:

Cyclin-dependent kinase inhibitor 1C

CNC:

Carney complex

IC:

Imprinting center

IGF2:

Insulin-like growth factor 2

KCNQ1:

Potassium voltage-gated channel subfamily Q member 1

KCNQ1OT1:

KCNQ1 overlapping transcript 1

LFS:

Li–Fraumeni syndrome

MEN1:

Menin 1

MLH1:

MutL Homolog 1

MMR:

Mismatch repair

MRI:

Magnetic resonance imaging

MSH:

MutS protein homolog

MUTYH:

MutY DNA glycosylase

NF1:

Neurofibromin 1

NMD:

Nonsense-mediated mRNA decay

PDE:

Phosphodiesterases

PKA:

Protein kinase A

PMS2:

Postmeiotic segregation increased 2

PPNAD:

Primary pigmented nodular adrenal disease

PRKACA:

Protein kinase cAMP-dependent catalytic subunit alpha

PRKACB:

Protein kinase cAMP-dependent catalytic subunit beta

PRKAR1A:

Protein kinase cAMP-dependent regulatory subunit type 1 alpha

SDH:

Succinate dehydrogenase

TP53:

Tumor protein 53

UPD:

Uniparental disomy

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Correspondence to Jérôme Bertherat .

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Jouinot, A., Bertherat, J. (2019). Diseases Predisposing to Adrenocortical Malignancy (Li–Fraumeni Syndrome, Beckwith–Wiedemann Syndrome, and Carney Complex). In: Igaz, P., Patócs, A. (eds) Genetics of Endocrine Diseases and Syndromes. Experientia Supplementum, vol 111. Springer, Cham. https://doi.org/10.1007/978-3-030-25905-1_9

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