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9%), and approximately two-thirds of patients used MMI for >3 months prior to RAI therapy. Use of ATD prior to RAI therapy (P = .003) and higher 6-hour I-123 thyroid uptake prior to I-131 RAI therapy (P<.001) were associated with treatment failure. MMI use >3 months was also associated with treatment failure (P = .002).

More patients may be presenting for RAI therapy after failing first-line ATD therapy. MMI use >3 months was associated with RAI treatment failure. Further studies are needed to investigate the association between long-term first-line ATD use and RAI treatment failure.
3 months was associated with RAI treatment failure. Further studies are needed to investigate the association between long-term first-line ATD use and RAI treatment failure.
While guidelines propose a single elevated prolactin measurement drawn without excess venipuncture stress as sufficient for diagnosing hyperprolactinemia, this may lead to unnecessary evaluation in the setting of stress-induced hyperprolactinemia. In this study, we aimed to define the role of the cannulated prolactin test in confirming hyperprolactinemia.

We conducted a retrospective review of 757 patients with unexplained hyperprolactinemia who performed a cannulated prolactin test in a community-based referral endocrine clinic between 2000-2015. The prolactin test consisted of "test-baseline" levels taken at rest (T0), and cannulated measurements at 60 and 90 minutes (T60 and T90) without repeated venipuncture. The most recent prolactin level performed prior to the test (referral-prolactin) was collected.

Referral-prolactin was available for 621 (82%) patients, of whom 324 (52.2%) normalized at T0. The probability of normoprolactinemia at T0 was 50% if referral-prolactin was 2.0-fold the upper-limit-oactin test may considerably reduce unnecessary investigations, treatment, and cost.
To evaluate current real-life experience with medical treatment for active acromegaly in a large cohort.

Data on demographic parameters, blood tests, imaging studies, and treatments were extracted from the medical records.

The cohort included 87 patients (43 male) with active acromegaly. The mean age at diagnosis was 40.2±11.4 years, and the mean duration of follow-up was 7.9±5.8 years. Seventy patients presented with a macroadenoma. Mean baseline insulin growth factor 1 (IGF-1) (n = 67) was 3.2±1.9 × upper limit of normal (ULN). Surgery and radiotherapy were performed in 75 and 10 patients, respectively. Currently, 38 subjects receive somatostatin analogues, pegvisomant as a monotherapy is given to 8 patients, pasireotide is given to 17 patients, cabegoline to 4 patients, estrogen to 2 females, and SSAs combined with pegvisomant to 10 patients. Eight patients are not being actively treated, including 4 following radiotherapy. Good biochemical control (IGF-1 <1.3 × ULN) was achieved in 76 patients (87%), and 11 patients (13%) are currently uncontrolled (IGF-1 >1.3 × ULN). Seventy-eight percent of controlled patients are being given 1 medication; 11% are on combination therapy; 4 patients are well controlled after radiotherapy and 2 are partially controlled without any treatment. The main adverse effects of treatment were diabetes mellitus in 7 patients (on pasireotide) and symptomatic cholelithiasis in 5 patients.

Active acromegaly can be controlled medically in most patients, with a low rate of adverse effects. This study displays the characteristic variety of treatment options available for active acromegaly.
Active acromegaly can be controlled medically in most patients, with a low rate of adverse effects. This study displays the characteristic variety of treatment options available for active acromegaly.
Opioid-induced adrenal insufficiency (OIAI) may develop in patients treated with chronic opioids due to suppression of the hypothalamic-pituitary-adrenal axis. Our objective was to describe the clinical manifestations, biochemical presentation, and clinical course of OIAI.

A retrospective study of adults diagnosed with OIAI between 2006 and 2018 at an academic center. Opioid daily dose was converted into morphine milligram equivalents (MMEs).

Forty patients (women, n = 29 &lsqb;73%]) taking chronic opioids at a daily median MME dose of 105 (60 to 200) mg and median duration of 60 (3 to 360) months were diagnosed with OIAI. Patients reported fatigue (n = 29, 73%), musculoskeletal pain (n = 21, 53%), and weight loss (n = 17, 53%) for a median of 12 (range, 1 to 132) months prior to diagnosis, and only 7.5% (n = 3) of patients were identified with OIAI through case detection. Biochemical diagnosis of OIAI was based on (1) low morning cortisol, baseline adrenocorticotropic hormone and/or dehydroepiandrosterone sulfate in 59% (n = 26) of patients or (2) abnormal cosyntropin stimulation test in 41% (n = 14) of patients. With glucocorticoid replacement, 16/23 (70%) patients with available follow-up experienced improvement in symptoms. Opioids were tapered or discontinued in 15 patients, of whom 10 were followed for adrenal function and of which 7 (70%) recovered from OIAI.

Minimum daily MME in patients diagnosed with OIAI was 60 mg. OIAI causes significant morbidity, and recognition requires a high level of clinical suspicion. Appropriate glucocorticoid treatment led to improvement of symptoms in 70%. Resolution of OIAI occurred following opioid cessation or reduction.
Minimum daily MME in patients diagnosed with OIAI was 60 mg. OIAI causes significant morbidity, and recognition requires a high level of clinical suspicion. Appropriate glucocorticoid treatment led to improvement of symptoms in 70%. IWP-2 ic50 Resolution of OIAI occurred following opioid cessation or reduction.
There are conflicting data on the risk of thyroid cancer in thyroid nodules 3 cm or larger, and few such studies on this issue have been conducted in Asia. This study aimed to examine the risk of thyroid cancer in patients with thyroid nodules 3 cm or larger.

This was a 7-year retrospective study conducted in a tertiary referral hospital in Taiwan. All patients with a thyroid nodule measuring ≥3 cm who underwent thyroid operation with or without fine-needle aspiration biopsy (FNAB) were included. The prevalence rate of thyroid cancer, as well as the sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and false-negative rate of FNAB for thyroid nodule ≥3 cm were also examined.

A total of 132 patients were included in this study. Thyroid cancer was detected in 19 of 132 (14.4%) thyroid nodules measuring ≥3 cm. The performance of FNAB for detecting cancer in nodules 3 cm or larger without considering other ultrasonography parameters was relatively poor with a sensitivity of 50%, but the specificity (100%), PPV (100 %), and NPV (93.
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