Cyst of Nuck

 

Anton Nuck was a Dutch anatomist, born 1650, Harderwijk; died August 5, 1692. He described the cyst in the groin alongside the round ligamentprotrusions to the labium majus, that is equivalent with the hydrocele in men.

Associated eponyms:
Nuck's canal
The patent processus vaginalis, an anomalous peritoneal pouch of peritoneum extending for a variable distance into the labium of the external female genitalia.

Nuck's cyst
A cyst in Nuck's canal.

Nuck's diverticulum
Processus vaginalis of the peritoneum.

Nuck's hydrocele
A hydrocele of the canal of Nuck.


Biography:

Anton Nuck was also often called Antonius Nuck van Leiden, after his native city. He commenced his medical studies in Harderwyjk (now written Harderwijk), but changed to Leiden where he received his doctorate on February 2, 1677 with the dissertation De diabete. He then settled as a practitioner in Delft. In 1683 he was called to Den Haag as a lecturer of anatomy at the Collegium anatomicum chirurgicum, working there as a teacher of anatomy before eventually returning to Leiden, where he was appointed to the chair of medicine and anatomy. His excellent theoretical lecturing, but even more his practical-anatomical teaching soon earned him a reputation that attracted students even from far away to Leiden.

Besides anatomy, physiology was Nuck's most important field of research. He was well known as an oculist, aurist, and dentist, and did his most important work in investigating the lymphatics and glands. He pioneered the injection of marker substances into the salivary glands, not only via their ducts but also via their blood vessels, and he introduced the new word "sialography" for the illustration of his results. This technique was similar to the injection technique Frederik Ruysch (1638-1731) had used for the blood vessels.

He also investigated the reproductive organs of man and the regeneration of the aqueous humour which maintains the pressure of the eye. He demonstrated this publicly in the Anatomical Theatre at Leyden, in a Dog, out of whose Eye being wounded the aqueous Humour did

Nuck is also remembered for advocating an anatomical dental forceps, designed to fit the shape of the teeth they were to extract.


 

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This is an example of a young woman with a swelling in the right groin. After deepening the incision the cyst becomes visible and is freed from its surroundings and lifted out of the wound (1-3). The (extensions of the) round ligament is shown (4, 5). The opening of the peritoneum can be seen (6).

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The peritoneal reflection can clearly be seen (7) and this is tied together with the neck of the cyst and cut (8,9).  

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