hiatal hernia : Other types of hernia

Since many organs can herniate through many orifices, it is very difficult to give an exhaustive list of hernias, with all synonyms and eponyms. Some are listed below, in alphabetical order:

Brain hernia: herniation of part of the brain because of excessive intracranial pressure. This may be a life-threatening condition, especially if the brain stem (responsible for some important vital signs) is involved.
Cooper's hernia: A femoral hernia with two sacs, the first being in the femoral canal, and the second passing through a defect in the superficial fascia and appearing immediately beneath the skin.
epigastric hernia: hernia through the linea alba above the umbilicus.
Littre's hernia: hernia involving a Meckel's diverticulum
lumbar hernia: hernia in the lumbar region, contains following entities:
Petit's hernia - hernia through Petit's triangle (inferior lumbar triangle)
Grynfeltt's hernia - hernia through Grynfeltt-Lesshaft triangle (superior lumbar triangle)
obturator hernia: hernia through obturator canal
pantaloon hernia: a combined direct and indirect hernia, when the hernial sac protrudes on either side of the inferior epigastric vessels
perineal hernia: A perineal hernia protrudes through the muscles and fascia of the perineal floor. It may be primary but usually, is acquired following perineal prostatectomy, abdominoperineal resection of the rectum, or pelvic exenteration.
properitoneal hernia: rare hernia located directly above the peritoneum, for example, when part of an inguinal hernia projects from the deep inguinal ring to the preperitoneal space.
Richter's hernia: strangulated hernia involving only one sidewall of the bowel, which can result in bowel perforation through ischaemia without causing bowel obstruction or any of its warning signs.
sliding hernia: occurs when an organ drags along part of the peritoneum, or, in other words, the organ is part of the hernia sac. The colon and the urinary bladder are often involved. The term also frequently refers to sliding hernias of the stomach.
sciatic hernia: this hernia in the greater sciatic foramen most commonly presents as an uncomfortable mass in the gluteal area. Bowel obstruction can occur, and it is a rare cause of sciatic neuralgia.
Spigelian hernia, also known as spontaneous lateral ventral hernia

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