By examining, I found below the bandage which I had put around the patient, a fluctuating mass, immediately beneath the skin and superficial fascia, extending from the tenth dorsal vertebra above, to the coccyx below, and from the crest of the right ilium to that of the left.
"Report on Surgery to the Santa Clara County Medical Society"
Joseph Bradford Cox
The sinus on the back extends from the coccyx to the ribs, and from one ilium to the other.
"Report on Surgery to the Santa Clara County Medical Society"
Joseph Bradford Cox
Fracture of the coccyx may be due to a direct blow, or may occur during parturition.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition."
Alexander Miles Alexis Thomson