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Related Concept Videos

The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
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Hormones and Bone Tissue01:17

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
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Adrenal Gland Disorders01:27

Adrenal Gland Disorders

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Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
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Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

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Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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Major Hormones and Their Functions01:27

Major Hormones and Their Functions

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Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and...
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Bone Remodeling01:40

Bone Remodeling

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Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
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Related Experiment Video

Updated: Jun 1, 2025

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Adolescent primary hyperparathyroidism.

Anima Sharma1, Saba Samad Memon1, Manjiri Karlekar1

  • 1Department of Endocrinology, Seth G.S. Medical College and King Edward Memorial Hospital, Mumbai, India.

Best Practice & Research. Clinical Endocrinology & Metabolism
|January 17, 2025
PubMed
Summary

Adolescent primary hyperparathyroidism (PHPT) is a rare genetic endocrine disorder with unique symptoms like rickets and short stature. Early genetic diagnosis and surgical management are key for affected adolescents.

Keywords:
adolescent primary hyperparathyroidismdual-phase CTgenetics in adolescent primary hyperparathyroidismgenotype-phenotype correlationparathyroid surgery in adolescents

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Area of Science:

  • Endocrinology
  • Pediatrics
  • Genetics

Background:

  • Adolescent primary hyperparathyroidism (PHPT) is a rare endocrine condition distinct from the adult form.
  • It frequently has a genetic basis, necessitating identification of the underlying cause for effective patient care.
  • Clinical presentation in adolescents is typically symptomatic and can include unique manifestations.

Purpose of the Study:

  • To review the unique aspects of adolescent primary hyperparathyroidism.
  • To focus on clinical presentation, genetic etiologies, genotype-phenotype correlations, and therapeutic management.
  • To highlight age-specific considerations in diagnosis and treatment.

Main Methods:

  • Literature review of adolescent primary hyperparathyroidism.
  • Analysis of clinical presentation, genetic findings, and treatment outcomes.
  • Examination of diagnostic criteria and therapeutic strategies.

Main Results:

  • Adolescent PHPT often presents with unique symptoms such as rickets, short stature, and slipped capital femoral epiphysis.
  • Genotype-specific differences influence adolescent PHPT characteristics.
  • Diagnostic evaluation requires age and gender-specific reference ranges and screening for associated neoplasms.

Conclusions:

  • Surgery is the primary treatment for adolescent PHPT.
  • Knowledge gaps exist regarding management protocols for specific genetic forms (e.g., MEN1-associated PHPT), non-surgical options, and long-term outcomes.
  • Further research is needed to optimize treatment and understand long-term sequelae.