Значения термина presented at age на английском

We report a rare case of a child who presented at age 2 with perianal Crohn's disease.

This report concerns a boy who presented at age 13 years with severe limb pain and difficulty in walking.

A male presented at age 2.2 years with a 6-week history of intermittent vomiting and hyperpigmentation.

The other presented at age 3 years with a left brachial plexopathy after sustaining a fracture of the lateral condyle of the right humerus.

Patient description: We describe a boy who presented at age three months with a complex phenotype that included epilepsy, nonepileptic paroxysmal events, and recurrent hemiplegia.