About a month ago, I noticed I had reduced airflow in my left nostril. It never went away for three weeks so I went to the doctor. An X-ray revealed a large, smooth mass in the sinus cavity behind my ...

A pilonidal cyst is a sac filled with hair and skin debris that forms at the bottom of your tailbone. The recovery time after surgery depends on the procedure type and if you need stitches. In some ...

Because the superior sagittal sinus did not enhance normally, MR venography (not shown) and subsequent conventional angiography (not shown) are performed and are consistent with superior sagittal ...

What Is a Pilonidal Cyst? There’s a type of cyst you can get at the bottom of your tailbone, or coccyx. It’s called a pilonidal cyst, and it can become infected and filled with pus. A pilonidal cyst ...

Pilonidal cysts typically develop above the cleft of the buttocks. These swollen lumps contain hair or other debris. They occur when small holes in the skin, known as pilonidal sinuses, become ...

A pilonidal sinus is a small hole or tunnel in the skin that can easily become infected. It typically forms in the cleft at the top of the buttocks. When a pilonidal sinus becomes infected it can turn ...

A branchial cleft cyst is a birth abnormality that occurs on one or both sides of the neck. This atypical tissue may form fluid-filled sacs or passages that drain fluid on the neck surface. These ...

Pilonidal sinus—also called a pilonidal cyst—is a skin infection that occurs in or around the crease of your buttocks. This condition happens when hair, skin cells, and dirt clog a hair follicle, ...

A 28 year-old man presented with a severe, persistent headache. On examination, he had papilledema. Patients typically present with a prominent headache. In addition, thrombosis of the superior ...