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In this study, researchers highlighted that in sarcoidosis, macrophages in granulomas can produce vitamin D, potentially leading to calcium imbalances, where vitamin D supplementation may cause hypercalcemia, necessitating careful laboratory assessment before supplementation.

The authors of this study concluded that higher calcium levels in hair may indicate early metabolic changes leading to osteopenia or osteoporosis in menopausal women, even before detectable by standard DEXA imaging.

This case study described a girl with vitamin D-dependent rickets type 2A who developed long-standing tertiary hyperparathyroidism, yet this did not hinder the healing of her rickets or normalization of hypophosphatemia; high doses of intravenous calcium were pivotal for recovery.

This retrospective study found that a majority of patients with low vitamin D levels also exhibited secondary hyperparathyroidism, highlighting the relationship between vitamin D deficiency and increased parathyroid hormone levels.

This study found that calcitriol-resistant rickets is associated with alopecia in children and should be considered in the differential diagnosis of hair loss.

In this case study, a 69-year-old woman with severe hypercortisolism developed acute adrenal insufficiency after starting ketoconazole treatment, highlighting the need for cautious dosing and close monitoring of adrenal function, particularly in patients with prior glucocorticoid exposure.

This case study reports that immunotherapy with ipilimumab and nivolumab induced hypophysitis in a patient with renal cell carcinoma, emphasizing the need for careful monitoring of endocrine function in such treatments.

This case report details an atypical presentation of Hodgkin's lymphoma in an 87-year-old man, where severe hypercalcemia and mental status changes prompted further investigation and diagnosis.

This case report describes the rare association of an ovarian Leydig cell tumor and primary hyperparathyroidism in a postmenopausal woman, highlighting the importance of considering rare causes in patients with virilizing symptoms.

This report describes two sisters with rickets and alopecia unresponsive to high doses of vitamin D2, where oral phosphorus supplements led to significant clinical improvement.

This study found that the most likely cause of hypercalcemia in a patient with symptoms of hypervitaminosis A and a history of chronic vitamin A ingestion was vitamin A toxicity.

This study found that calbindin-D9k knockout mice on a maternal vitamin D-deficient and low-calcium diet developed transient alopecia, but a high-vitamin D and calcium diet in mothers reduced this effect.

In this study, a sole diet of Leucaena leucocephala caused hypothyroidism and poor weight gain in steers, but mineral supplementation improved some symptoms without normalizing thyroid hormone levels.

This case report describes a 30-year-old male with a late diagnosis of Kallmann's syndrome, highlighting the necessity of hormonal therapy to reduce the risk of osteoporosis and bone fractures despite the patient's acceptance of his physical appearance.

This study found that alopecia in four children was linked to severe calcitriol-resistant rickets, suggesting this condition should be considered among inherited hair growth disorders.

This case study describes a child with rickets and alopecia who responded to a small dose of 1-a-hydroxyvitamin D3, but her alopecia remained unchanged despite treatment.

This case report highlights that in severe illnesses like sepsis, myxedema coma can occur with less elevated TSH levels than typical for primary hypothyroidism, likely due to inflammatory cytokines affecting TSH secretion, even when central lesions are absent.

This case report describes a 36-year-old female patient with panhypopituitarism, experiencing severe adrenal insufficiency and thyroid hormone deficiency, which led to electrolyte imbalance, QT interval prolongation, and ventricular tachycardia; treatment stabilized her condition, underscoring the importance of hormonal evaluation in arrhythmia assessment.

This study found that alopecia in hereditary resistance to 1,25(OH)2D may indicate a more severe form of the condition, associated with earlier diagnosis and different responses to calciferol therapy.

In this case study, a 68-year-old woman was diagnosed with central diabetes insipidus and hypothalamic hypopituitarism due to a Rathke's cleft cyst.

In this retrospective study, the incidence of hyperkalaemia within the first year of spironolactone use was assessed among women over 65 with female-pattern hair loss, highlighting a potential safety concern.

This study found that experimentally induced calcification in rat skin led to rapid and localized mineralization in hair follicles, progressing to more extensive calcification with prior hypercalcemic treatment.

This case study reported that reducing glucocorticoids resolved calcinosis cutis in a dog with hypoadrenocorticism, while demodicosis was treated with a fluralaner chewable tablet.

This case study reports on a rare form of vitamin D resistant rickets in a 37-year-old male, highlighting the condition's clinical features and the necessity for a thorough understanding of calcium and vitamin D metabolism in the diagnosis and management of metabolic bone diseases.

This study found that normalizing mineral ion levels in vitamin D receptor-ablated mice prevented hyperparathyroidism, rickets, and osteomalacia, but alopecia persisted, indicating a separate role for the receptor in hair growth.

This case report detailed a unique instance of hypopituitarism in a 65-year-old male presenting with symptoms including nausea, vomiting, and fatigue, attributed to secondary adrenal insufficiency, which improved following appropriate cortisol treatment.

This article discusses the potential for hypervitaminosis A in patients with chronic renal disease undergoing dialysis, highlighting the risks associated with low-dose vitamin A supplementation, and reports no new clinical results.

Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.

In this case report, a 40-year-old woman with systemic lupus erythematosus developed calcinosis cutis, a rare complication characterized by calcified deposits in her legs, requiring surgical intervention and ongoing medical treatment due to infection.

This case report describes a 72-year-old man who developed symptoms of fatigue and cold intolerance after discontinuing his levothyroxine treatment for hypothyroidism six months earlier.