Dermatology Eponyms – sign –Lexicon (Y)

Piotr Brzeziński1,2, Lorenzo Martini2, Mufutau Muphy Oripelaye3

1Department of Physiotherapy and Medical Emergency, Faculty of Health Sciences, Pomeranian Academy, Slupsk, Poland. 2University of Siena, Department of Pharmaceutical Biotechnologies, Via A. Moro 2, 53100 Siena, Italy. 3Department of Dermatology, Obafemi Awolowo University, Ile-Ife, Osun state, Nigeria

Corresponding author: Dr. Piotr Brzeziński, MD Ph, E-mail:

Submission: 08.07.2019; Acceptance: 12.11.2019

DOI: 10.7241/ourd.20202.37

Cite this article: Brzeziński P, Martini L, Oripelaye MM. Dermatology Eponyms – sign –Lexicon (Y). Our Dermatol Online. 2020;11(2):222-223.

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© Our Dermatology Online 2020. No commercial re-use. See rights and permissions. Published by Our Dermatology Online.


Eponyms are used almost daily in the clinical practice of dermatology. And yet, information about the person behind the eponyms is difficult to find. Indeed, who is? What is this person’s nationality? Is this person alive or dead? How can one find the paper in which this person first described the disease? Eponyms are used to describe not only disease, but also clinical signs, surgical proceodures, staining techniques, pharmacological formulations, and even pieces of equipment. In this article we present the symptoms starting with (Y) and other. The symptoms and their synonyms, and those who have described this symptom or phenomenon.

Key words: Eponyms; Skin Diseases; Sign; Phenomenon


Large hard benign skin lesions that are painful, caused by the zoonotic yaba pox virus found in monkeys. These lesions often occur on the face and hairless areas [1,2].


Painless skin swellings sometimes with ocular and neurologic complications, caused by the ingestion of tapeworm eggs in facees. Also called eoenuriasis and bladderworm disease from the zoonotic Taenia cestodes [3].


Indolent ulcers on yellow legs; a presentation of syphilis [4,5].


Russian physician, 1891-1940 (Fig. 1), was a Russian physician-writer whose doctor stories are based on his experience as a rural physician in a small village called Nikolskoye in the province of Smolensk.1(p8) Nikolskoye was his first assignment after studying medicine at Kiev University. After 18 months in Nikolskoye, he went on to specialize in venereology in Kiev. Shortly thereafter, he gave up a career in medicine for writing. All his life he was sceptical to the Soviet system and used his satire against the regime. He worked on his main work, The Master and Margarita, from 1928 until his death. The novel was not published in his lifetime [6,7].

Figure 1: Mikhail Afanasievich Bulgakov.                                                                


Animal urine in water can transmit zoonotic leptospirosis, causing fever, liver and kidney failure, as well death [811].


Bilharzia parasite infection from ablution pools in mosques [12]. Also known as Ablution sign.


Scars on the cheeks, a sign of ceremonial tribal markings by the Yoruba of Africa (Fig. 2) [13,14].

Figure 2: Yoruba sign.                                                                                          


Several blue lines on the chin. A sign of ceremonial tattooing in Mojave and Apaches-Yumas natives [15].


1. Knight JC, Novembre FJ, Brown DR, Goldsmith CS, Esposito JJ. Studies on Tanapox virus. Virology. 1989;172:116-24.

2. Ambrus JL, Ambrus CM. YABA virus induced tumor in men–long term follow-up and possible bio-warfare role. J Med. 2004;35:277-9.

3. Callegari D, Kramer L, Cantoni AM, Di Lecce R, Dodi PL, Grandi G. Canine bladderworm (Capillaria plica) infection associated with glomerular amyloidosis. Vet Parasitol. 2010;168:338-41.

4. Brzeziński P, Satoh M, Adaskevich UP, Dhavalshankh A, Aby J, Arenas R, Al Aboud K. Dermatology Eponyms –sign –Lexicon (S). Part I. Our Dermatol Online. 2018;9:346-54.

5. Sehgal VN. Leg ulcers caused by yaws and endemic syphilis. Clin Dermatol. 1990;8:166-74.

6. Brzeziński P, Passarini B, Nogueira A. Dermatology eponyms –phenomen/sign –dictionary (C). N Dermatol Online. 2011;2:81-100.

7. Brzeziński P, Hossein S-Z, Shane T, Bonifaz A, Arenas R, Royer-Bégyn M. Dermatology eponym –phenomen/sign –Dictionary (B). N Dermatol Online. 2011;2:35-45.

8. Brzezinski P, Bourée P, Chiriac A, Bouquot JE, Schepis C, Hofer T, et al. Dermatology Eponyms –Sign –Lexicon –(M). Our DermatolOnline. 2014;5:312-26.

9. Brzezinski P, Tanaka M, Husein-ElAhmed H, Castori M, Barro/TraoréF, Kashiram Punshi S, et al. Eponyms –sign –Lexicon (P). Part 2. Our Dermatol Online. 2016;7:359-65.

10. Brzezinski P, Chiriac A, Arenas R, Dori GU, Monteiro R, Cairncross S, et al. Dermatology Eponyms –Sign –Lexicon –(L). Our Dermatol Online. 2014;5:217-30.

11. Brzezinski P, Gijón EG, López-López J, Toyokawa T, ScrimshawNS, Malard O, et al. Dermatology eponyms –phenomen/sign –Lexicon (F). Our Dermatol Online. 2012;3:66-78.

12. Brzeziński P, Sinjab AT, Campbell CM, Kentorp N, Sand C, Karwan K. Dermatology Eponyms –phenomen/sign –Lexicon (supplement). Our Dermatol Online. 2012;3:147-55.

13. Oripelaye MM, Onayemi O, Olasode OA, Olanrewaju FO. Vitiligo on tribal mark:A demostration of Wolf’s isotopic response. Our Dermatol Online. 2017;9:48-50.

14. Olanrewaju FO, Onayemi O, Olasode OA, Oripelaye MM. Fixed drug eruption induced by Moringa oleifera leaf extracts –A case report. Our Dermatol Online. 2017;8:413-6.

15. Mifflin M. The Blue Tattoo:The Life of Olive Oatman. University of Nebraska Press. 2011.


Source of Support: Nil.

Conflict of Interest: None declared.

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