Related Experiment Video
Updated: Jun 14, 2026

14:26
A Method to Study the Impact of Chemically-induced Ovarian Failure on Exercise Capacity and Cardiac Adaptation in Mice
Published on: April 7, 2014
Amenorrhea and "man hands"
Henry Bohler1, Carreen Attaway-Drake1
1Department of Obstetrics, Gynecology & Women's Health, University of Louisville School of Medicine, Louisville, Kentucky.
Fertility and Sterility
|March 23, 2010
Summary
This case study highlights a 36-year-old woman with amenorrhea and hyperhidrosis. Elevated growth hormone and IGF-1, alongside a pituitary macroadenoma, indicated acromegaly.
Area of Science:
- Endocrinology
- Neuroendocrinology
- Oncology
Background:
- Acromegaly is a rare endocrine disorder caused by excessive growth hormone (GH) production, typically from a pituitary adenoma.
- Symptoms can be subtle and develop gradually, leading to delayed diagnosis.
Observation:
- A 36-year-old multiparous woman experienced 6 months of amenorrhea and hyperhidrosis.
- Physical examination revealed characteristic features including large, stubby fingers and toes with soft tissue thickening.
Findings:
- Laboratory tests showed elevated serum growth hormone (GH) and insulin-like growth factor-1 (IGF-1) levels.
- Computerized tomography (CT) confirmed the presence of a pituitary macroadenoma, the likely source of hormone overproduction.
Implications:
- This case underscores the importance of recognizing clinical signs of acromegaly for timely diagnosis and management.
- Pituitary macroadenomas require prompt evaluation and treatment to prevent long-term complications associated with excess GH secretion.
Related Concept Videos
Menopause
Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
Cirrhosis I: Introduction
Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Anorexia Nervosa
Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Disorders of the Female Reproductive System
The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
Signs of Puberty
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
The Menstrual Cycle
The menstrual cycle is a recurrent sequence of changes in the uterine endometrium, specifically its functional layer, the stratum functionalis. This cycle prepares the uterus for potential pregnancy. This cycle typically spans 21–35 days, averaging 28 days, and aligns with the ovarian cycle, regulated by fluctuating levels of ovarian hormones, primarily estrogen and progesterone.
The menstrual phase occurs from days 1 to 5 and involves the shedding of the stratum functionalis, as a uterine...
The menstrual phase occurs from days 1 to 5 and involves the shedding of the stratum functionalis, as a uterine...
