Publications by authors named "Mohamed El-Khalawany"

Androgenic alopecia (AGA) is a common condition associated with loss of terminal hair on the scalp in a specific pattern in both males and females. Management of AGA is usually challenging as the approved therapeutic options are limited. Our aim was to evaluate the efficacy of non-enzymatic stromal vascular fraction (SVF) as a new promising treatment for AGA.

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To assess and evaluate the efficacy and safety of nicotinamide 4% topical formulation for the treatment of mild to moderate psoriasis. This study was conducted on 60 patients aged 18-65 years, with mild to moderate psoriasis vulgaris. Nicotinamide 4% in a cold cream base was used twice daily for 12 weeks.

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Purpose: Basal cell carcinoma (BCC) is the most diagnosed type of cancer accounting for 80% of all keratinocyte malignancies. However, the exact demographic properties and clinicopathological criteria for BCC in Egyptians are not clearly reported. Our aim is to report and analyze the epidemiological and clinicopathological features of BCC in Egyptians.

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Granular cell tumors (GCTs) are rare soft tissue tumors of Schwann cell origin that manifest as papulonodular lesions and occur mainly in adults. The diagnosis is usually confirmed by histopathology. Most of GCTs are benign, but some lesions may exhibit malignant criteria.

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Background: Monochromatic excimer light (MEL) is a safe and effective treatment for localized stable vitiligo. Previous reports of the combination of platelet-rich plasma (PRP) with narrowband ultraviolet B (NB-UVB) or excimer laser yielded conflicting results.

Aims: This prospective, self-controlled, randomized, comparative study aimed to assess whether the addition of PRP to MEL therapy would be of an additive benefit in the treatment for localized stable vitiligo.

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Background: Scars are the unfortunate outcome of most injuries and some diseases. Its psychological impact on patients can deeply affect their quality of life.

Aim: The aim of this study was to evaluate the efficacy of autologous nanofat injection in improving the aesthetic outcome of scars, combined with histopathological correlation of the response.

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Background: Some basal cell carcinoma (BCC) patients are considered as a high risk regarding the site, size, histopathological variant, or recurrence. High-risk BCC is a challenging therapeutic problem due to the trial to balance between complete surgical excision from one side and tissue preservation from the other side.

Aim: To evaluate the efficacy of combining ablative CO  laser, imiquimod 5%, and diclofenac 3% as a therapeutic regimen in high-risk and inoperable BCC.

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Introduction: Superficial morphea (SM) is an uncommon entity that was described in the literature without definitive correlation to localized scleroderma (LS) or other atrophoderma diseases.

Aim: To demonstrate the clinicopathological features of SM and evaluate the efficacy of different therapeutic modalities in its management.

Patients And Methods: A total of 28 patients with SM were studied during the period from 2010 to 2015.

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Background: Sweet syndrome (SS) is an uncommon dermatologic disorder that could be associated with hematologic malignancies.

Objective: To describe the clinicopathologic, immunophenotyping and cytogenetic characteristics of SS in Egyptian patients with acute myeloid leukemia (AML).

Methods: The study was conducted during the period from April 2011 to March 2015.

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Article Synopsis
  • * The granulomatous lesions were primarily solitary, located on the face and trunk, and varied in presentation, with some occurring at the injection site and others remotely or systemically affecting the lungs.
  • * While IFN therapy was not conclusively identified as the sole cause of all granulomas, it appears to trigger reactions in certain individuals, as most lesions showed only partial improvement after stopping the treatment.
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Although dermal fillers are generally accepted as safe and well-tolerable cosmetic tools, adverse reaction still forms a prognostic problem. The aim of this study was to demonstrate the clinicopathologic patterns of dermal filler complications in our center. A 5-year single-center study that included patients complained from filler complications and referred to the dermatopathology unit in Al-Azhar University for histologic assessment.

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Prurigo is a common skin condition characterized by vigorous scratching. Although ulceration is not uncommon in prurigo, a perforating-like lesion was not previously reported. In this study we described series of cases of prurigo with perforating-like lesions and discussed its relation to acquired perforating dermatoses.

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Context: Hepatitis-C virus (HCV) infection and diabetes mellitus (DM) have a significant association with skin disorders.

Aims: The aim of this study was to assess the impact of HCV infection on the pattern of cutaneous infections among diabetic patients.

Methods And Material: A prospective study included diabetic patients who attended Al-Hussein University hospital, Cairo during the period from 2008 to 2010.

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Introduction: Melanocytic nevi (MN) are the most important simulants of melanoma. Although acquired nevi are usually clinically stable, they may show abnormal clinical behavior. This study assessed the histological changes and prognosis of acquired MN with changing clinical behavior in Egyptian patients.

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Atypical mycobacteria comprise an uncommon heterogenous non-tuberculous group of acid-fast bacteria that rarely involve skin. The pattern of atypical mycobacterial cutaneous infections (AMCI) has not been previously studied in Egypt. The aim of this study was to describe the clinical characteristics, pathological features and species profile of AMCI among Egyptian patients.

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Context: Recurrence of basal cell carcinoma (BCC) may form a prognostic problem that couldn't be fully predicted. Although there are different clinical and histologic risk factors for BCC recurrence, few reports are available for the role of biologic markers.

Aim: The aim of this study was to assess the value of Cyclooxygenase-2 (COX-2), Ezrin and Matrix metalloproteinase-9 (MMP-9) in recurrence of BCC.

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Introduction: Tinea capitis (TC) is a common fungal infection in children but is less frequently encountered in adults. This study evaluates the clinical characteristics and mycological studies of adult TC among the Egyptian population.

Methods: A multicenter study included patients diagnosed with TC from 2002 to 2012.

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Plantar warts are common viral infection that are usually challenging in treatment. Conventional treatment methods are usually invasive, have low efficacy, and need long recovery periods. In this study, we compared pulsed dye laser (PDL) and neodymium yttrium aluminum garnet (Nd:YAG) lasers in the treatment of recalcitrant plantar warts.

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Hypopigmented mycosis fungoides (HMF) is uncommon clinical variant that was commonly observed in dark-skinned individuals. We described the clinical characteristics, pathological features, immunohistochemical profile and prognosis of HMF in Egyptian patients. During the period from January 2004 to December 2011, we were able to diagnose and follow up 27 patients with HMF.

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Unlabelled: Topical therapy is usually of limited benefit in the treatment of severe atopic dermatitis (AD), and the need for a safe and effective systemic treatment may be required in certain cases especially in children. We evaluated the efficacy and safety of methotrexate and cyclosporine in the treatment of 40 children with severe AD. Patients were divided into two groups (each consisting of 20 patients); group A was treated with methotrexate (7.

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Helicobacter pylori was incriminated as an etiological factor of rosacea. However, there is still controversy about this association. We conducted a comparative study in order to assess the role of H.

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Despite the availability of many treatment modalities for acne vulgaris (AV), few of which provide excellent results. Photodynamic therapy (PDT) was shown to be an effective treatment especially when used with topical 5-aminolevulenic acid (ALA). We compared the efficacy and safety of PDT using intralesional ALA (IL-ALA) with intense pulsed light (IPL) and IPL alone in the treatment of AV.

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Background: Angiogenesis was suggested to have a significant role in the pathogenesis of leprosy. However, the benefit of inhibiting angiogenesis in lepromatous leprosy patients has not previously been studied. The purpose of this study was to evaluate angiogenesis in leprosy patients before and after treatment with multidrug therapy (MDT) with and without minocycline.

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