"They are extremely rare with only ~ 300 cases reported in literature 3."
Line 3:38·No space after an approximation symbol: '~ 3'.
Prefix Hyphens
warning
"Vaginal leiomyomas are an extremely rare entity and fall under extra-uterine pelvic leiomyomas."
Line 1:87·A prefix takes a hyphen only to avoid a duplicate letter: 'extra-uterine'.
Biographical Lifespan
suggestion
"History and etymology"
Line 13:1·A bold element in the History and etymology section should be a person; it would be useful to have their lifespan details: '<h4>History and etymology</h4> <p>It is thought to have been first reported by <strong>De Leyden</strong> '