Causes of Enthesitis: SpA (AS, reactive arthritis, PsA, enteropathic arthritis, ERA), JIA, but also in RA, leprosy, trauma, OA, DISH, acromegaly, fluorosis, retinoid therapy, hypo- or hyper-PTH, POEMS syndrome, X-linked hypophosphatemia https://t.co/9NjlIExl8c https://t.co/vaRJjwOu2q