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      Beat the giant: case of a giant prolactinoma during pregnancy on cabergoline

      research-article
      Author(s): 1 , 1 , 2
      Publication date (Electronic):
      Journal: Endocrinology, Diabetes & Metabolism Case Reports
      Publisher: Bioscientifica Ltd

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          Summary

          Giant prolactinomas are a rare entity; during pregnancy, the risk for complications associated with these tumors is higher. Here, we report a case of a young woman who had an invasive, giant prolactinoma post resection with residual disease who became pregnant. This patient was treated with cabergoline to prevent tumor expansion in pregnancy, resulting in the uneventful delivery of a healthy baby boy.

          Learning points:

          • Giant prolactinoma can cause both diagnostic and therapeutic challenges given their atypical presentation.

          • Accurate diagnosis is paramount to avoid unnecessary surgical intervention or pituitary irradiation.

          • This case demonstrates the effectiveness and safety of CAB therapy during pregnancy.

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          Most cited references28

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          Prevalence of pituitary adenomas: a community-based, cross-sectional study in Banbury (Oxfordshire, UK).

          Alberto Fernandez, Niki Karavitaki, John Wass (2010)
          Pituitary adenomas (PAs) are associated with increased morbidity and mortality. The optimal delivery of services and the provision of care for patients with PAs require distribution of the resources proportionate to the impact of these conditions on the community. Currently, the resource allocation for PAs in the health care system is lacking a reliable and an up-to-date epidemiological background that would reflect the recent advances in the diagnostic technologies, leading to the earlier recognition of these tumours. To determine the prevalence, the diagnostic delay and the characteristics of patients with PA in a well-defined geographical area of the UK (Banbury, Oxfordshire). Sixteen general practitioner (GP) surgeries covering the area of Banbury and a total population of 89 334 inhabitants were asked to participate in the study (data confirmed on 31 July 2006). Fourteen surgeries with a total of 81,449 inhabitants (91% of the study population) agreed to take part. All cases of PAs were found following an exhaustive computer database search of agreed terms by the staff of each Practice and data on age, gender, presenting manifestations and their duration, imaging features at diagnosis, history of multiple endocrine neoplasia type 1 and family history of PA were collected. A total of 63 patients with PA were identified amongst the study population of 81,149, with a prevalence of 77.6 PA cases/100,000 inhabitants (prolactinomas; PRLoma: 44.4, nonfunctioning PAs: 22.2, acromegaly; ACRO: 8.6, corticotroph adenoma: 1.2 and unknown functional status; UFS: 1.2/100,000 inhabitants). The distribution of each PA subtype was for PRLoma 57%, nonfunctioning PAs 28%, ACRO 11%, corticotroph adenoma 2% and UFS 2%. The median age at diagnosis and the duration of symptoms until diagnosis (in years) were for PRLoma 32.0 and 1.5, nonfunctioning PAs 51.5 and 0.8, ACRO 47 and 4.5 and corticotroph adenoma 57 and 7, respectively. PRLoma was the most frequent PA diagnosed up to the age of 60 years (0-20 years: 75% and 20-60 years: 61% of PAs) and nonfunctioning PA after the age of 60 years (60% of PAs). Nonfunctioning PAs dominated in men (57% of all men with PA) and PRLoma in women (76% of all women with PA). Five patients (7.9%) presented with classical pituitary apoplexy, with a prevalence of 6.2 cases/100,000 inhabitants. Based on a well-defined population in Banbury (Oxfordshire, UK), we have shown that PAs have a fourfold increased prevalence than previously thought; our data confirm that PAs have a higher burden on the Health Care System and optimal resource distribution for both clinical care and research activities aiming to improve the outcome of these patients are needed.
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            High prevalence of pituitary adenomas: a cross-sectional study in the province of Liege, Belgium.

            Adrian F Daly, Martine Rixhon, Christelle Adam … (2006)
            Prevalence data are important for assessing the burden of disease on the health care system; data on pituitary adenoma prevalence are very scarce. The objective of the study was to measure the prevalence of clinically relevant pituitary adenomas in a well-defined population. This was a cross-sectional, intensive, case-finding study performed in three regions of the province of Liège, Belgium, to measure pituitary adenoma prevalence as of September 30, 2005. The study was conducted in specialist and general medical practitioner patient populations, referral hospitals, and investigational centers. Three demographically and geographically distinct districts of the province of Liège were delineated precisely using postal codes. Medical practitioners in these districts were recruited, and patients with pituitary adenomas under their care were identified. Diagnoses were confirmed after retrieval of clinical, hormonal, radiological, and pathological data; full demographic and therapeutic follow-up data were collected in all cases. Sixty-eight patients with clinically relevant pituitary adenomas were identified in a population of 71,972 individuals; the mean (+/- sd) prevalence was 94 +/- 19.3 cases per 100,000 population (95% confidence interval, 72.2 to 115.8). The group was 67.6% female and had a mean age at diagnosis of 40.3 yr; 42.6% had macroadenomas and 55.9% underwent surgery. Prolactinomas comprised 66% of the group, with the rest having nonsecreting tumors (14.7%), somatotropinomas (13.2%), or Cushing's disease (5.9%); 20.6% had hypopituitarism. The prevalence of pituitary adenomas in the study population (one case in 1064 individuals) was more than 3.5-5 times that previously reported. This increased prevalence may have important implications when prioritizing funding for research and treatment of pituitary adenomas.
            Article 0 comments Cited 250 times – based on 0 reviews     Review now
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              Advances in the treatment of prolactinomas.

              Mary P Gillam, Mark E Molitch, Gaetano Lombardi … (2006)
              Prolactinomas account for approximately 40% of all pituitary adenomas and are an important cause of hypogonadism and infertility. The ultimate goal of therapy for prolactinomas is restoration or achievement of eugonadism through the normalization of hyperprolactinemia and control of tumor mass. Medical therapy with dopamine agonists is highly effective in the majority of cases and represents the mainstay of therapy. Recent data indicating successful withdrawal of these agents in a subset of patients challenge the previously held concept that medical therapy is a lifelong requirement. Complicated situations, such as those encountered in resistance to dopamine agonists, pregnancy, and giant or malignant prolactinomas, may require multimodal therapy involving surgery, radiotherapy, or both. Progress in elucidating the mechanisms underlying the pathogenesis of prolactinomas may enable future development of novel molecular therapies for treatment-resistant cases. This review provides a critical analysis of the efficacy and safety of the various modes of therapy available for the treatment of patients with prolactinomas with an emphasis on challenging situations, a discussion of the data regarding withdrawal of medical therapy, and a foreshadowing of novel approaches to therapy that may become available in the future.
              Article 0 comments Cited 169 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Endocrinol Diabetes Metab Case Rep
                Journal ID (iso-abbrev): Endocrinol Diabetes Metab Case Rep
                Journal ID (hwp): EDM
                Title: Endocrinology, Diabetes & Metabolism Case Reports
                Publisher: Bioscientifica Ltd (Bristol )
                ISSN (Electronic): 2052-0573
                Publication date (Electronic): 23 August 2018
                Publication date Collection: 2018
                Volume: 2018
                Electronic Location Identifier: 18-0099
                Affiliations
                [1 ]Obesity , Endocrine, and Metabolism Center, King Fahad Medical City, Riyadh, Saudi Arabia
                [2 ]King Fahad Medical City , College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
                Author notes
                Correspondence should be addressed to W M Almistehi Email wael.almistehi@ 123456gmail.com
                Article
                Publisher ID: EDM180099
                DOI: 10.1530/EDM-18-0099
                PMC ID: 6109208
                SO-VID: e3f78dbf-7ba2-4909-b4ae-d3924330ce24
                Copyright © © 2018 The authors
                License:

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

                History
                Date received : 13 July 2018
                Date accepted : 31 July 2018
                Categories
                Subject: Unusual Effects of Medical Treatment

                Data availability:

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