Howship-Romberg sign

Pain and paraesthesia along the distribution of the obturator nerve, classically radiating from the inner (medial) aspect of the thigh, down to the knee. Pain is exacerbated by thigh extension, abduction, and internal rotation of the hip, and relieved by thigh flexion. Obturator hernia is rare, accounting for less than 1% of all abdominal hernias, and is most commonly seen in elderly, thin, multiparous women. The sign is present in 30–50% of cases and should raise suspicion in patients with symptoms of small-bowel obstruction without obvious cause. Pathophysiologically, the sign arises from entrapment or irritation of the obturator nerve within the obturator canal by the hernia sac (or other lesion). The pain may mimic hip or knee arthritis, contributing to delayed diagnosis. John Howship (1781-1841) was the first to describe the clinical syndrome (1840) whilst Moritz Heinrich Romberg (1795-1873) reported on the diagnostic criteria and explained the pathophysiology of an incarcerated obturator hernia in 1847. History of Howship-Romberg sign 1840 – Howship first described the clinical phenomenon in an 1840 case report titled “Strangulated Thyroidal Hernia – Diagnostic Symptom – Appearances on Dissection”. He describes then case of an aged and emaciated female under the care of Mr. Weatherfield …she was seized with violent spasmodic pain in the left side of the abdomen running down the left leg, with sickness, vomiting, and diarrhoea…The symptoms, those of strangulated hernia…She was bled, and directed various aperients and purgatives, a blister and leeches to the abdomen but towards the close of four days of severe suffering, sunk and died. Howship 1840: 323 Postmortem examination revealed: …a portion of small intestine was seen stretched towards the obturator foramen, where a knuckle was firmly impacted, forming a small hernia, no larger than a nutmeg, protruding through the opening. The intestine, highly inflamed, was almost gangrenous. The parts were carefully removed and admirably dissected; demonstrating the hernia to the best advantage Howship 1840: 324 1847 – Moritz Heinrich Romberg (1795-1873) described his findings of an obturator hernia and their clinical significance (published in 1848) Late 19th–Early 20th century – The term “Howship–Romberg sign” appears in European surgical texts as a diagnostic feature of obturator hernia. 1951 – First successful surgical repair of an obturator hernia reported by Henry Obre, following Hilton’s earlier unsuccessful attempt. 1990 – Rizk & Deshmukh publish a review emphasizing the diagnostic importance of the sign in elderly women with small-bowel obstruction. 2004 – Yamashita et al. report a case of Howship–Romberg sign caused by an obturator granuloma from prior surgical suture material, highlighting that the sign is not pathognomonic for hernia. Associated Persons John Howship (1781 – 1841) Moritz Heinrich Romberg (1795-1873) References Historical references Howship J. Strangulated Thyroideal Hernia-Diagnostic Symptom Appearances on Dissection. In: Practical Remarks on the Discrimination and Appearance of Surgical Disease. 1840: 323-4 Romberg MH. Die Operation des eingeklemmten Bruches des eirunden Loches. Operatio hernia foraminis ovales incarceratae. In: Die operative Chirurgie. Dieffenbach JF 1848: 619-626 Epomymous term review