Genital Psoriasis: A Case Illustration

Kaoutar Laamari*, Omar A. Souhli, Sara Elloudi, Samia Mrabat, Zakia Douhi, Baybay Hanane, Fatima Z. Mernissi and Moulay El H. Farih

Corresponding Author

Kaoutar Laamari, MD

Department of Dermatology and Venerology, Hassan II University Hospital, Fes, Morocco; Tel: 00212673153435; E-mail:


Kaoutar Laamari, MD1*; Omar A. Souhli, MD2; Sara Elloudi, PhD1; Samia Mrabat, MD1; Zakia Douhi, MD1; Baybay Hanane, PhD1; Fatima Z. Mernissi, PhD1; Moulay El H. Farih, PhD2

1Department of Dermatology, Hassan II University Hospital, Fes, Morocco
2Department of Urology, Hassan II University Hospital, Fes, Morocco

Corresponding Author

Kaoutar Laamari, MD

Department of Dermatology and Venerology, Hassan II University Hospital, Fes, Morocco; Tel: 00212673153435; E-mail:

Article History

Received: November 7th, 2019; Revised: December 18th, 2019; Accepted: December 19th, 2019; Published: January 17th, 2020

Cite this Article

Laamari K, Souhli OA, Elloudi S, et al. Genital Psoriasis: A case illustration. Urol Androl Open J. 2020; 4(1): 4-5. doi: 10.17140/UAOJ-4-122


© 2020 by Laamari K. This is an open-access article distributed under Creative Commons Attribution 4.0 International License (CC BY 4.0), which allows to copy, redistribute, remix, transform, and reproduce in any medium or format, even commercially, provided the original work is properly cited.



We present the case of a 35-year-old patient who has been suffering from a slightly pruritic erythematous lesion on the scrotum for 3-years (Figure 1). He was previously diagnosed with eczema and put on topical steroids with good improvement but later it recurred. On clinical examination, a finely squamous erythematous plaque was present on the scrotum without any other lesions elsewhere on the body. Dermoscopic examination showed regularly distributed red dots and a reddish background.

Figure 1. On Clinical Examination, a Finely Squamous Erythematous Plaque

Squamous Erythematous Plaque

The diagnosis of psoriasis was confirmed and the patient was treated with topical steroids.

Psoriasis is a chronic, inflammatory epidermal skin disease with a high prevalence in the general population of approximately 2%. It is part of a more generalised plaque psoriasis, although the external genitalia may be the only area affected. However, the isolated presentation of psoriasis solely on genital skin seems to be rare and occurs in only 2-5% of the psoriatic patients. Prevalence is higher in men than in women and just few studies have been published on this topic.1,2

Lesions mainly affect the glans and the inner side of the fore skin (prepuce), and less frequently the sheath of the penis and the scrotum. Clinically, it manifest as erythematous plaques with white scales, rarely itching and it is the dermoscopic examination that has all its relevance to confirm the diagnosis. This shows regularly distributed dots on a reddish background (Figure 2).3

Figure 2. The Dermoscopic Examination Showing Regularly Distributed Red Dots and Reddish Background

Dermoscopic Examination


The authors have received written informed consent from the patient.


The authors declare that they have no conflicts of interest.

1. Christophers E. Psoriasis--epidemiology and clinical spectrum. Clin Exp Dermatol. 2001; 26: 314-320. doi: 10.1046/j.1365-2230.2001.00832.x

2. Raychaudhuri SP, Färber EM. The prevalence of psoriasis in the world. J Eur Acad Dermatol Venereol. 2001; 15: 16-17. doi: 10.1046/j.1468-3083.2001.00192.x

3. Dauendorffer JN, Renaud-Vilmer C, Cavelier-Balloy B. Le psoriasis génital chez l’homme [In: French]. Ann Dermatol Venereol. 2014; 141: 466-472. doi: 10.1016/j.annder.2014.05.002


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