Publications by authors named "Delphine Vezzosi"

Article Synopsis
  • Prolactinomas account for a significant portion of pituitary adenomas, yet the genetic factors behind these tumors remain largely unexplored, prompting a study of hereditary links.
  • The study analyzed genetic and clinical data from 506 patients with isolated prolactinomas, discovering that 2.8% carried pathogenic variants in key genes related to tumor predisposition, particularly among those diagnosed before age 30.
  • No relevant mutations were found in patients over 30, highlighting the importance of focusing on younger patients and those with a family history when assessing genetic risks for prolactinomas.
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In this comprehensive review, we aimed to discuss the current state-of-the-art medical imaging for pheochromocytomas and paragangliomas (PPGLs) diagnosis and treatment. Despite major medical improvements, PPGLs, as with other neuroendocrine tumors (NETs), leave clinicians facing several challenges; their inherent particularities and their diagnosis and treatment pose several challenges for clinicians due to their inherent complexity, and they require management by multidisciplinary teams. The conventional concepts of medical imaging are currently undergoing a paradigm shift, thanks to developments in radiomic and metabolic imaging.

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Article Synopsis
  • * The condition is characterized by specific symptoms related to a pituitary tumor, such as headaches and joint pain, and can lead to various complications including cardiovascular and metabolic issues.
  • * Diagnosis involves elevated IGF-I levels and imaging to identify the pituitary tumor; treatment typically starts with surgery, but medication and radiation may be necessary for some patients, and care is best administered by a specialized multidisciplinary team.
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Background: At metastatic stage, treatment of adrenocortical carcinoma (ACC) relies in first line on mitotane therapy, combination of mitotane with locoregional therapies or cisplatin-based chemotherapy according to initial presentation. In second line, ESMO-EURACAN recommendations favour enrolment of patients in clinical trials investigating experimental therapies. However, the benefit of this approach remains unknown.

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Purpose: Recent reports have raised concerns about a potential risk of osteonecrosis associated with testosterone treatment (TT). The aim of this pharmacovigilance study was to assess the risk of reporting osteonecrosis associated with the use of TT compared with use of any other medication.

Methods: We performed a disproportionality analysis to investigate the risk of reporting osteonecrosis with TT using the WHO database VigiBase.

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Background: Surgery is the treatment of choice for pheochromocytoma. However, this surgery carries a risk of hemodynamic instability (HDI). The aim of this study was to report complications associated with this procedure, to identify risk factors for HDI during surgery, and its impact on postoperative outcomes.

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Cushing's syndrome is defined by prolonged exposure to glucocorticoids, leading to excess morbidity and mortality. Diagnosis of this rare pathology is difficult due to the low specificity of the clinical signs, the variable severity of the clinical presentation, and the difficulties of interpretation associated with the diagnostic methods. The present consensus paper by 38 experts of the French Society of Endocrinology and the French Society of Pediatric Endocrinology and Diabetology aimed firstly to detail the circumstances suggesting diagnosis and the biologic diagnosis tools and their interpretation for positive diagnosis and for etiologic diagnosis according to ACTH-independent and -dependent mechanisms.

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Background: GIP-dependent primary bilateral macronodular adrenal hyperplasia with Cushing's syndrome is caused by aberrant expression of the GIP receptor in adrenal lesions. The bilateral nature of this disease suggests germline genetic predisposition. We aimed to identify the genetic driver event responsible for GIP-dependent primary bilateral macronodular adrenal hyperplasia with Cushing's syndrome.

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Article Synopsis
  • Adrenal ganglioneuromas are rare tumors from the peripheral sympathetic nervous system, primarily affecting individuals around age 29, with a majority being non-secreting and detected incidentally.* -
  • A study of 104 cases from multiple centers in France and Belgium revealed that most tumors were large, and imaging tests showed specific features like calcifications; all patients underwent surgery without any recorded recurrences during follow-up.* -
  • The findings suggest that since these tumors are largely non-functioning and have a low recurrence rate post-surgery, long-term monitoring may not be necessary for most patients, barring special circumstances.*
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In 1953, for the first time, Paul Wermer described a family presenting endocrine gland neoplasms over several generations. The transmission was autosomal dominant and the penetrance was high. Forty years later in 1997, the multiple endocrine neoplasia type 1 (MEN1) gene was sequenced, thus enabling diagnosis and early optimal treatment.

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Context: The behavior of locally advanced pheochromocytoma (LAP) remains unknown.

Objective: We characterized the population with LAP and recurrence-free survival (RFS).

Methods: This retrospective multicentric study was run within the ENDOCAN-COMETE network and French Group of Endocrine Tumors (GTE) from 2003 to 2018, including patients from 11 French referral centers with LAP as defined by capsular invasion, vascular invasion, adipose tissue invasion, and/or positive locoregional lymph nodes at diagnosis without evidence of distant metastasis.

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Article Synopsis
  • Pregnant women with high cortisol levels (hypercortisolism) have a higher chance of having babies early (prematurity) and may face health issues later, like high blood pressure or diabetes.
  • A study looked at 60 women with a history of Cushing's disease to see how their cortisol levels affected their pregnancies.
  • Results showed that women with high cortisol during pregnancy had a high risk of early births, and those not having normal cortisol levels were more likely to have complications, so doctors need to keep a close watch on them.
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Introduction: Few data are available on the risks of first-generation somatostatin receptor ligands (SRLs) during pregnancy in women treated for acromegaly. Current recommendations suggest the withdrawal of treatment at diagnosis of pregnancy. The aims of this literature review were to evaluate the teratogenic effects and the potential impact of SRLs on maternal and fetal outcomes by comparing acromegalic patients treated or not during pregnancy.

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Objective: Familial hypocalciuric hypercalcaemia type 1 (FHH1), related to heterozygous loss-of-function mutations of the calcium-sensing receptor gene, is the main differential diagnosis for primary hyperparathyroidism. The aim of our study was to describe clinical characteristics of adult patients living in France with a genetically confirmed FHH1.

Design And Patients: This observational, retrospective, multicentre study included 77 adults, followed up in 32 clinical departments in France, with a genetic FHH1 diagnosis between 2001 and 2012.

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Following publication of the original article [1], we have been notified that the name of one author was spelled incorrectly as Julien Haddoux, when the correct spelling is Julien Hadoux.

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Background: Cancer-related thrombotic microangiopathy (CR-TMA) is a rare entity associated with a dismal prognosis. Usually, CR-TMA is associated with mucin-producing carcinomas among which stomach, breast, prostate, lung and pancreas tumours are the most frequent.

Cases Presentation: We describe for the first time three cases of CR-TMA due to adrenocortical carcinoma (ACC).

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Introduction: Excess catecholamine stimulates heat production in brown adipose tissue (BAT). Activation of BAT can be detected in patients presenting pheochromocytoma.

Case Study: A 58-year-old female patient sought medical advice due to 13 kg weight loss over 2 years accompanied by sweating and high blood pressure.

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Introduction: The prevalence of gestational diabetes (GD) in women with acromegaly is rarely reported. The aims of this study were to evaluate the prevalence of GD in acromegalic women submitted to a systematic screening for GD and then to compare women with or without GD.

Patients And Methods: We studied 14 pregnancies in 11 women (34.

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Context: While the only curative treatment for patients with endogenous hypoglycaemia related to inappropriate insulin or to insulin growth factor 2 (IGF2) secretion is surgery, medical treatment to normalize plasma glucose levels can be useful.

Objective: The aim of this prospective single centre study was to assess whether patients with endogenous hypoglycaemia, considered euglycaemic with medical treatments, experienced asymptomatic hypo- or hyperglycaemic excursions.

Patients And Methods: All patients with endogenous hypoglycaemia related to inappropriate insulin or to IGF2 secretion between 2012 and 2016 and considered normoglycaemic with medical treatment (absence of clinical hypoglycaemia and self-monitoring blood glucose in the normal range) were enroled and underwent a six-day continuous glucose monitoring (CGM) recording.

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Background: Malignant pheochromocytoma and paraganglioma (MPP) are characterized by prognostic heterogeneity. Our objective was to look for prognostic parameters of overall survival (OS) in MPP patients.

Patients And Methods: Retrospective multicenter study of MPP characterized by a neck-thoraco-abdomino-pelvic CT or MRI at the time of malignancy diagnosis in European centers between 1998 and 2010.

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Article Synopsis
  • Pheochromocytomas and paragangliomas (PPGLs) often have a genetic component, with guidelines recommending genetic testing for all patients.
  • A study involving 221 patients examined the outcomes based on when they were informed of their genetic status, comparing those who were informed early (genetic patients) and those informed later (historic patients).
  • Results indicated that genetic patients had improved follow-up care, smaller new tumors, and better survival rates from metastases, highlighting the importance of timely genetic testing for better management of PPGLs.
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Oncocytic adrenocortical tumors are a rare subtype of adrenal tumors with challenging diagnosis and histoprognostic assessment. It is usually believed that oncocytic adrenocortical tumors have a more indolent clinical behavior than conventional adrenocortical tumors. As the Weiss score overestimates the malignancy of oncocytic adrenocortical tumors owing to intrinsic parameters, alternative scores have been proposed.

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A partial response (PR) has been proposed as a surrogate for overall survival in advanced adrenocortical carcinoma (ACC). The primary endpoint of the study was to characterize the time until a PR in patients with metastatic ACC treated with a standard therapy is achieved. Long-term survivors were selected to allow evaluation of delayed tumor response to mitotane.

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Unlabelled: Mitotane (o,p'-DDD) is the standard treatment for advanced adrenocortical carcinoma (ACC). Monitoring of plasma mitotane levels is recommended to look for a therapeutic window between 14 and 20mg/L, but its positive predictive value requires optimization. We report the case of an ACC patient with a history of dyslipidemia treated with mitotane in whom several plasma mitotane levels >30mg/L were found together with an excellent neurological tolerance.

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