Essam Mohamed

Essam Mohamed
Al-Azhar University · Department of Dermatology and andrology

MD

About

46
Publications
8,599
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410
Citations
Introduction
Essam Mohamed currently works at the Department of Dermatology and andrology, Al-Azhar University. Essam does research in Dermatology and Andrology.
Additional affiliations
September 2017 - present
Al-Azhar University
Position
  • Professor
September 2017 - November 2018
Al-Azhar University
Position
  • Professor (Full)
September 2012 - October 2017
Al-Azhar University
Position
  • Professor (Assistant)

Publications

Publications (46)
Article
Full-text available
Objective This study aimed to appraise the efficacy of a 577-nm high-power optically pumped semiconductor laser (HOPSL) for the treatment of inflammatory acne. Methods The study included 50 patients with acne vulgaris (inflammatory type), 14 men, and 36 women; patient ages ranged from 16 to 35 years. The left side of the face was treated with a si...
Article
The aim of this prospective experimental study was to investigate the effects of pregabalin (PG) administration and withdrawal on testicular structures and functions in rats. A total of 24 male Wistar rats were divided into two groups (n = 12 each): a control group received normal saline, and PG‐treated group received 62 mg kg‐1 day‐1 PG for 2 mont...
Article
The aim of this prospective experimental study was to investigate the effects of pregabalin (PG) administration and withdrawal on testicular structures and functions in rats. A total of 24 male Wistar rats were divided into two groups (n = 12 each): a control group received normal saline, and PG‐treated group received 62 mg kg‐1 day‐1 PG for 2 mont...
Article
Background Laser treatment of vascular skin conditions is very useful option yet remains to be a very challenging task. Objective To evaluate the efficacy of 577‐nm diode laser for treating facial telangiectasia. Patients and methods Thirty patients with facial telangiectasia were included in this prospective study. All participants received 3 se...
Article
Full-text available
In a prospective experimental study, the effects of chronic tramadol administration on gonadotrophic and sex hormones, histopathological and morpho-metrical alterations in rat testicular tissue were investigated in a laboratory setting. Tramadol was given alone to adult male albino rats. Gonadotrophic and serum sex hormone levels were measured and...
Article
Full-text available
We aimed to study the effectiveness of 577 nm pro-yellow laser in the treatment of melasma. A total of 82 patients with melasma were included in this comparative study. A detailed medical history, examination, and calculation of Melasma Area and Severity Index were done for all patients. All participants were treated with topical sunscreen and hydr...
Article
Full-text available
Introduction Obesity-associated acanthosis nigricans (AN) is the most common type of AN. Objective To detect leptin receptor expression in the skin lesion affected by obesity-associated AN. Patients and methods A total of 20 patients with obesity-associated AN were included in this prospective study. Complete history taking, thorough general examin...
Article
Full-text available
Background: Viral warts are caused by human papillomavirus. Many therapeutic options are available for treating warts. Newer and effective treatments include intralesional immunotherapy, has been tried in the recent times with variable success rates. Objective: The aim of this study was to compare the effect of intralesional vitamin D3 versus purif...
Poster
Full-text available
The pattern of Genodermatoses In Asyut, Egypt
Article
Background Treatment of vascular skin diseases is one of the most important indications of the laser. Aims To evaluate the effectiveness of 577‐nm pro‐yellow laser in the treatment of some vascular skin diseases. Patients/methods Ninety‐five patients with vascular skin diseases were included in this prospective monocentric study. They were classi...
Article
Full-text available
ABSTRACT Introduction: Psoriasis is a chronic skin condition that demonstrates a high burden and an impaired quality of life. The role of excimer light therapy and its modes of action are not completely understood in the treatment of psoriasis. Aim: To evaluate the clinical efficacy and safety of Monochromatic Excimer Light (MEL) in the treatment o...
Article
Full-text available
Abstract Background: Vitiligo one of the most common skin disease, which is still a therapeutic problem. Objective: To compare the clinical efficacy of split thickness epidermal grafts versus suction epidermal grafting in the treatment of stable vitiligo. Patients and Methods: Thirty-nine patients with stable vitiligo were enrolled in this comparat...
Article
Full-text available
In a prospective study, the outcomes of microsurgical varicocelectomy in men with primary versus secondary infertility were compared. Ninety-two infertile men with a varicocele were included. They were classified into those with primary infertility (n ¼ 57) and secondary infertility (n ¼ 35). Clinical data, semen parameters and scrotal ultrasound f...
Article
In a prospective study, the outcomes of microsurgical varicocelectomy in men with primary versus secondary infertility were compared. Ninety-two infertile men with a varicocele were included. They were classified into those with primary infertility (n = 57) and secondary infertility (n = 35). Clinical data, semen parameters and scrotal ultrasound f...
Article
Objective: To compare the efficacy of follicular hair transplantation and mini punch graft in the treatment of stable vitiligo. Methods: Thirty two patients with stable vitiligo were included in this comparative study. A single patch from each patient was divided into two halves; one half was treated by punch graft while the other half was treat...
Article
Full-text available
Objective: This study aimed to determine the prevalence of subclinical enthesopathy in patients with psoriasis using power Doppler ultrasonography (PDUS) and its association with other disease parameters. Material and methods: A total of 50 patients with psoriasis (31 females) aged 19-70 years underwent a thorough clinical examination that inclu...
Article
Full-text available
Usage of the term developmental sex disorders is still under debate as it leads to confusion, because there are many deficits in the nomenclatures and classification as it did not include any clinical consideration and it is based mainly on genetic karyotype nomenclatures and omits the abnormal psychological developmental sex disorder (gender ident...
Article
Vitiligo is a condition causing depigmentation of parts of the skin. There are a number of treatments for vitiligo with the best evidence for applied steroids and the combination of ultraviolet light in combination with creams. Due to the higher risks of skin cancer, the NHS (national health service) suggests phototherapy only be used if primary tr...
Article
Full-text available
ABST RACT Introduction: Laser and light-based procedures provide a good and safe modality for treatment of active acne lesions when used properly. Aim: To compare the clinical efficacy of intense pulsed light (IPL) versus 1,064 long-pulsed Neodymium:Yttrium–Aluminum– Garnet (Nd: YAG) in treatment of facial acne vulgaris. M aterials and Methods: Sev...
Article
Full-text available
In a prospective study, the polymorphism of oestrogen receptor β gene was investigated in nonobstructive azoospermia patients. Ninety infertile patients with nonobstructive azoospermia diagnosed after two semen analysis, 2 weeks apart and negative testicular sperm extraction during intracytoplasmic sperm injection, and 60 fertile men as controls we...
Article
Full-text available
Objective. To investigate the clinical efficacy and safety of intralesional injection of 2% zinc sulfate solution in the treatment of common warts. Patients and Methods. One hundred and twenty patients (78 females and 42 males) aged 5–55 years with 225 common warts participated in this prospective monocentric randomized study. All lesions were trea...
Article
Full-text available
We evaluated the effect of varicocelectomy on semen parameters and levels of sperm DNA damage in infertile men. A total of 75 infertile men with varicocele and 40 fertile men (controls) were included in this study. Semen analysis and sperm DNA damage expressed as the DNA fragmentation index using acridine orange staining and chromatin condensation...
Article
Full-text available
To evaluate the use of a pinpoint irradiation technique followed by nonablative fractional technique in treatment of traumatic scars. Thirteen patients with traumatic sacrs were treated with pinpoint technique of CO2 laser using traditional headpiece activating laser at a frequency (50 Hz) to deliver pulsed mode with power of 1 W using the focusing...
Article
Full-text available
Laser hair removal has become an accepted form of long-term hair reduction and is now one of the most common dermatologic procedures. Trichoscan is a validated method of assessing hair length, thickness, and density and growth rate using dermoscopy. The study aimed to evaluate the trichoscopic changes during treatment of hirsutism with 1064-nm neod...
Article
Full-text available
Objective: To evaluate the efficacy of chitosan- methylene blue (MB) hydrogel mediated photodynamic therapy in the treatment of freckles. Patients and methods: Thirty four patients complaining from freckles were recruited in this Prospective, split-face controlled study. Pregnant women, patients with photosensitive dermatosis, other contraindicatio...
Article
Background: Vitiligo is a common, acquired, idiopathic skin disorder characterized by one or more patches of depigmented skin. Objective: The aim of the study was to investigate the clinical and epidemiological profile of two phototherapy unit attendants in two university hospitals in Assiut governorate (Upper Egypt). Patients and methods: The clin...
Article
Full-text available
The aim of this work was to evaluate the efficacy of excimer laser in treatment of vitiligo at various anatomical locations. In the present study we treated 77 patches of vitiligo by 308 xenon chloride excimer laser 2 times per week for 10-35 sessions with mean 23.22 ± 6.16, repigmentation noted was 75-100% in 19.4% of the patients. Certain anatomi...
Article
Unlabelled: In a prospective experimental study, the effects of chronic tramadol administration on gonadotrophic and sex hormones, histopathological and morphometrical alterations in rat testicular tissue were investigated in a laboratory setting. Tramadol was given alone to adult male albino rats. Gonadotrophic and serum sex hormone levels were m...
Article
Full-text available
Background: The legal and ethical aspects of DSD, as regard its management are somewhat intertwined, confused and are usually covered, albeit briefly, in the literature and Consensus documents. Always in the management of intersex disorders topics are considering informed consent, information disclosure, and human rights. Global medico-legal and et...
Article
Full-text available
Background: Vitiligo is an acquired hypomelanotic skin disorder resulting from the loss of functional melanocytes from the cutaneous epidermis. Low catalase (CAT) activity and accumulation of hydrogen peroxide (H2O2) have been demonstrated in the epidermis of vitiligo patients. Some polymorphisms on catalase gene may have effect on the quantity and...
Article
Phenytoin ( diphenlhydantoin), a hydantoin derivatives that has long been for its use in epilepsy, Clinical data indicate that systemic or topical phentoin enhances the healing of various types of wounds and chronic ulcers. This pushes us to formulate and optimize some topical dermatological formulations containing phentyoin (PHT) or its sodium sal...
Article
Objective: To determine the sensitivity and specificity of different ultrasound (US) modalities in predicting an obstructive vs a nonobstructive etiology of azoospermia. Materials and methods: A total of 268 azoospermic men with available histopathologic slides were separated into obstructive (n = 104) and nonobstructive (n = 164) groups. Scrota...
Article
Full-text available
Background: Combination of skin ablation and application 5 fluorouracil was previously used in the treatment of vitiligo with good results. Purpose: In the present study, we are exploring the effect of the use of dermabrasion skin ablation and application of 5 fluorouracil in treatment of patients with resistant vitiligo. Methods: This study includ...
Article
To study the effect of sperm nuclear chromatin condensation on pregnancy rates and rates of abortion in infertile couples with male factor infertility undergoing intrauterine insemination. A total of 195 infertile couples with male factor infertility undergoing intrauterine insemination (IUI) were included in this prospective study. They were divid...
Article
Full-text available
Article
Background: The possibility of progressive effect of varicocele throughout lifetime and its role on the occurrence of secondary infertility is still debated. Purpose: To assess semen parameters, seminal oxidative stress, and serum total and free testosterone levels in primary and secondary infertile men associated with varicocele. Patients and meth...
Article
Oxidative stress (OS) results from an imbalance between free radical generating and scavenging systems. The end product of lipid peroxidation, malondialdehyde (MDA) serves as a marker of cellular damage. Superoxide dismutase (SOD) traps free radicals and acts as a free radical scavenging system. To study OS indices in paucibacillary (PB) and multib...
Article
Full-text available
To study the changes in semen parameters, gonadotropic and sex hormones, and serum leptin in obese fertile and infertile oligozoospermic men. Prospective. University hospital. Forty-two obese fertile and 80 obese infertile oligozoospermic men (body mass index [BMI] >30). The BMI calculation, semen analysis, and serum FSH, LH, T, E(2), PRL, and lept...
Article
Background: Apoptotic cell death may be a contributory cause of basal and parabasal keratinocytic destruction in oral lichen planus (OLP). Therefore, the aim of this study was to evaluate OLP specimens for apoptosis-regulating proteins; P53 & Fas as pro-apoptotic positive regulators and Bcl-2 as anti-apoptotic negative regulator, in comparison to t...

Projects

Projects (3)
Project
to compare between blister graft and split thickness graft in the treatment of stable vitiligo