Femoral hernias are uncommon — accounting for only about 5% of all groin hernias — but they are disproportionately important because they are more common in women, frequently misdiagnosed as inguinal hernias, and have by far the highest strangulation rate of any abdominal wall hernia. Up to 40% of femoral hernias present as a surgical emergency. As a female specialist laparoscopic surgeon, Dr. Vanesha Varik regularly sees women in Dubai who have lived with a small lump in the upper inner thigh or groin for months — sometimes told it was “just a swollen lymph node” — until an episode of obstruction reveals the true diagnosis. This guide explains exactly why femoral hernias are different, how to recognise them, and why urgent laparoscopic repair is the safest treatment.
What is a femoral hernia?
A femoral hernia occurs when fat, omentum or bowel pushes through the femoral canal — a small natural opening in the lower abdomen where the major blood vessels pass from the pelvis into the upper thigh. The hernia appears as a small lump in the upper inner thigh, just below the groin crease — slightly lower and more lateral than a typical inguinal hernia.
The femoral canal is a tight, rigid space surrounded by ligament and bone, which is why femoral hernias have such a high strangulation risk: once bowel enters the canal, the unyielding edges can quickly cut off its blood supply.
Why femoral hernias are 4× more common in women
Women have a wider pelvis and a larger femoral ring than men. Pregnancy further stretches the pelvic ligaments. After menopause, loss of collagen weakens the supporting tissues. Together, these factors mean femoral hernias are 4 times more common in women — particularly in older, multiparous women.
How to recognise a femoral hernia
- •Small, firm lump in the upper inner thigh just below the groin crease
- •Lump may be tender, especially after standing or walking
- •Less commonly reducible than inguinal hernias — often stays out
- •Vague groin or thigh ache that worsens through the day
- •In overweight patients the lump may be hidden in a skin fold and missed
Red-flag emergency signs:
- •Sudden severe pain, hard tender lump
- •Skin redness over the lump
- •Nausea, vomiting, abdominal distension
- •No passage of wind or stool
These signs require immediate emergency assessment — a strangulated femoral hernia is a true surgical emergency.
Why femoral hernias are commonly misdiagnosed
Femoral hernias are frequently mistaken for:
- •Inguinal hernias (above rather than below the inguinal ligament)
- •Enlarged inguinal lymph node
- •Lipoma of the upper thigh
- •Saphena varix (a varicose vein dilatation)
- •Psoas abscess
An experienced surgeon distinguishes them clinically by the position relative to the pubic tubercle and inguinal ligament. An ultrasound scan and, when needed, a CT scan confirms the diagnosis.
Why femoral hernias should always be repaired
Unlike many small inguinal or umbilical hernias where watchful waiting may be reasonable, femoral hernias should always be repaired once diagnosed — even if currently asymptomatic. The reason is the very high lifetime strangulation risk: up to 40% of femoral hernias present as an emergency, and emergency repair carries 10× the morbidity of elective repair.
Modern repair: laparoscopic TAPP or TEP
The modern gold standard is laparoscopic groin hernia repair — either TAPP (Trans-Abdominal Pre-Peritoneal) or TEP (Totally Extraperitoneal). Both use 3 small incisions and place a piece of mesh in the pre-peritoneal space, covering the femoral, inguinal and obturator orifices in one operation.
Advantages of laparoscopic over open femoral repair:
- •Better visualisation of the femoral canal
- •Covers all groin hernia spaces — useful as occult contralateral hernias are common in women
- •Less post-operative pain
- •Faster return to normal activity
- •Excellent cosmetic result
Open femoral repair (low approach with a plug or modified Lockwood/McEvedy technique) remains an option, particularly in emergency settings.
Recovery
- •Day-care surgery — most patients home the same day
- •Light walking from day 1
- •Driving at 5–7 days
- •Desk work at 5–7 days
- •Light gym at 2–3 weeks
- •Full activity including heavy lifting at 4–6 weeks
- •Recurrence rate after laparoscopic mesh repair: under 2%