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This medical case report describes a 69-year-old man's diagnosis and management of ANCA-associated vasculitis leading to rapidly progressive glomerulonephritis, ultimately treated with glucocorticoids and rituximab.

This case report highlights the rare co-occurrence of Pili Annulati and Trichorrhexis Nodosa in a Syrian woman, underlining the need for further research into their relationship and treatment.

This case report describes a 9‐year‐old red panda with progressive hair loss linked to bilateral granulosa cell tumors, suggesting an underlying endocrine abnormality.

This case report describes a 65-year-old postmenopausal woman with hyperandrogenism caused by a non-malignant ovarian Leydig cell tumor, which is a rare cause of virilization.

This article reviews how skin manifestations can aid in diagnosing various systemic diseases, focusing primarily on their association with rheumatologic conditions while also addressing vascular, granulomatous, and other disease impacts, aiming to provide dermatologists with practical diagnostic insights.

This study found that combining high-frequency ultrasound with clinical examination significantly improved the diagnostic accuracy of invisible subcutaneous lesions from 47.3% to 80.8%, especially for conditions like epidermoid cysts and lipomas, although it was less effective for rarer lesions such as dermatofibromas.

This review highlights cobalt's essential role in vitamin B12 metabolism and its biomedical applications but also warns of health risks from high levels and environmental contamination, discussing remediation methods like phytoremediation.

This case report discusses a postmenopausal woman whose hyperandrogenism and metabolic symptoms improved significantly after the surgical removal of an ovarian Leydig cell tumor, confirmed post-operatively.

In this case report, researchers described a postmenopausal woman with virilization symptoms who was diagnosed with a Leydig cell tumor in her ovary, and symptoms improved following tumor removal. The authors highlighted the diagnostic challenge of differentiating such cases from age-related hormonal changes.

Dermatologists give better information on pathology forms, hypersensitivity vasculitis is a common skin issue, misdiagnoses can occur, and various skin conditions are linked to loss of elastin or genetic factors.

This case report highlights that in postmenopausal women with severe hyperandrogenism, thorough adrenal and pelvic evaluations, hormonal profiling, and permanent pathology are essential for accurate diagnosis and management of androgen-secreting tumors, such as AGCTs, to prevent misdiagnosis and ensure effective treatment.

The document describes various skin conditions, their features, and treatments but lacks detailed study size information.

This review outlines various causes and manifestations of hair loss, highlighting that each type has distinct underlying mechanisms and requires specific treatment approaches, without reporting new clinical results.

This study observed that two patients treated with interferon α-2b and ribavirin for chronic hepatitis C experienced complete and reversible straightening of their natural curly hair, which recurred with treatment resumption.

This review discusses recent findings on molecular changes in cutaneous adnexal tumours and reports novel markers and pathways involved, highlighting the diverse oncogenic drivers and tumour suppressor alterations.

This case report describes a 60-year-old woman with an ovarian Leydig cell tumor leading to elevated testosterone levels and hirsutism, highlighting the need to consider androgen-secreting tumors in similar postmenopausal cases.

This review discusses the etiology and clinical findings of atypical hyperadrenocorticism in dogs due to sex steroid imbalance and explores various treatment options, but reports no new results.

This review discusses the diagnosis and management of hidradenitis suppurativa and reports no new clinical findings, highlighting a need for better evidence and treatment guidance.

This study found that while participants in Jeddah, Saudi Arabia, had good knowledge about Vitamin D and recognized sunlight as a key source, there was inconsistency in their attitudes towards maintaining adequate Vitamin D levels.

This review analyzes 873 cases of female hyperandrogenism, primarily attributing it to polycystic ovarian syndrome, and explores sample testing for suspected neoplasms but reports no new clinical findings.

This case study concluded that weight loss is the initial recommended approach for treating secondary hypogonadism, as shown by improvements in testosterone levels and symptoms in an obese 37-year-old patient.

The document explains various skin conditions and their treatments.

This study found that trichilemmal carcinoma shares genetic changes with other skin cancers, suggesting a similar pathogenesis, particularly in those with aggressive clinical courses linked to TP53 mutations.

This study reported genetic mutations in trichilemmal carcinoma similar to those found in other skin cancers, including TP53 mutations associated with aggressive disease.

This case report highlights Leydig cell hyperplasia as a rare cause of increased testosterone and postmenopausal hirsutism, resolved after bilateral salpingo-oophorectomy in a 64-year-old woman.

In this study, male patients treated with 150 mCi of radioactive iodine showed no negative impact on fertility, but long-term studies with larger groups are needed to further assess hormonal effects and sperm health after this treatment.

This review discusses the emerging "endocrine phenotype" of COVID-19, highlighting the implications for managing diabetes, obesity, vitamin D deficiency, and other endocrine conditions in affected patients.

The NAMS 2014 recommendations guide healthcare providers on treating health issues in midlife women, emphasizing individualized care and informed decision-making.

This chapter discusses the sources, classifications, and effects of hormones, their role in disease treatment and food security, and reports no new results.

This study suggests that typical skin lesions in Carney complex may originate from the pro-melanogenic activity of a specific dermal fibroblast population influenced by PKA signaling.