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This case report describes a 15-year-old girl with severe hyperandrogenaemia linked to both an ovarian androgen-secreting tumor and HAIR-AN syndrome, highlighting the complexity of diagnosing polycystic ovarian syndrome.

This study reports the first case of ovarian mature cystic teratoma linked to clinical virilization due to ectopic testosterone production, possibly from overexpression of the enzyme HSD17B5.

This study found that hair from ovarian teratomas shares similar chemical composition and morphology with scalp hair, but differs in physical properties and cysteic acid bands.

In this case study, a 55-year-old woman with androgenetic alopecia was ultimately diagnosed with hepatic cortisone reductase deficiency after initially suspected 21-hydroxylase deficiency was ruled out.

This study found evidence of Demodex mite involvement in the formation of horn cysts within eyelid papillomas, suggesting a role for the mite in tumor morphogenesis.