Final answer:
The next step in the management of a high-grade squamous intraepithelial lesion (HGSIL) detected on a routine PAP smear is colposcopy.
Step-by-step explanation:
The next step in the management of a high-grade squamous intraepithelial lesion (HGSIL) detected on a routine PAP smear is B) Colposcopy.
A colposcopy is a procedure in which a healthcare provider uses a magnifying instrument called a colposcope to closely examine the cervix. During the colposcopy, the provider may also perform a biopsy to obtain a tissue sample for further evaluation.
This step is important to assess the severity of the abnormal cells and determine if any further treatment or closer monitoring is necessary.