A pyloromyotomy is a surgical procedure in which an incision is made in the longitudinal and circular muscles of the pylorus.

Pyeloplasty is the surgical reconstruction or revision of the renal pelvis to drain and decompress the kidney.

Punctoplasty is a surgical procedure to restore proper drainage of tears when the lacrimal punctum (puncta lacrimalia) becomes blocked in one or both eyes.

Psychosurgery, also called neurosurgery for mental disorder (NMD), is the neurosurgical treatment of mental disorder.

Prostatectomy (from the Greek prostates, “prostate”, combined with the suffix -ektomē, “excision”) as a medical term refers to the surgical removal of all or part of the prostate gland.