Publications by authors named "Amr Ammar"

The dermatological manifestations of the coronavirus cause severe acute respiratory syndrome. The current study investigates the morphological and histopathological relationship between the emergence of skin lesions and the severity of COVID-19 across the course of the disease via a cross-sectional study. There were skin lesions (maculopapular rash, vesiculobullous lesions, urticarial lesions, cutaneous thromboembolic "CT," and erythema multiforme-like lesions "EM-like") in confirmed COVID-19 instances.

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Background: Macular amyloidosis (MA) could be of cosmetic concern with a significant psychological impact for patients, and its treatment is challenging.

Aim Of The Work: To compare the efficacy and safety of combined fractional CO laser with dimethyl sulfoxide (DMSO) 50% versus fractional CO laser alone in the treatment of macular amyloidosis.

Patients And Methods: Twenty patients with macular amyloidosis were treated with monthly session of fractional CO laser only in one side of the lesion (area A), and fractional laser followed by application of DMSO 50% solution in the other side of the lesion (area B).

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Objective: Alopecia areata (AA) is a common form of potentially reversible non-scarring hair disorder characterized by limited patchy hair loss (alopecia areata), loss of all scalp hair (alopecia totalis), or all body hair (alopecia universalis). Several lines of treatment have been used with variable outcomes. We aimed to compare the efficacy of intralesional pentoxifylline (PTX) and triamcinolone acetonide (TRA) injection in the treatment of alopecia areata.

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Abstact: BACKGROUND: Coronavirus disease (COVID-19) currently named SARS-CoV-2 is a contagious disease caused by a coronavirus; incompatible data are present on the possible relationship among COVID-19 vaccines and hair loss.

Aims: The objective of the current study was to assess dermoscopically the prevalence of hair loss among an Egyptian population following COVID-19 vaccination.

Methods: A total of 2000 participants were enrolled in this cross-sectional study.

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Article Synopsis
  • Vitiligo is a skin condition affecting the pigment-producing cells, resulting in lighter patches of skin, and the study aimed to assess the effectiveness of intralesional methotrexate as a treatment option.* -
  • Thirty participants with localized vitiligo received methotrexate injections every two weeks for up to six sessions, and their repigmentation was assessed, showing significant improvement in most cases.* -
  • The findings indicate that intralesional methotrexate is both safe and effective for treating localized vitiligo, but further research is needed to determine long-term effects and optimal dosing.*
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Background: Androgenetic alopecia (AGA) is a common chronic dermatological illness that affects both men and women.

Aim: To assess and compare dermoscopically the impact of a combination of topical minoxidil solution (5%) and topical spironolactone solution (5%) in treating AGA in both sexes.

Patients And Methods: One hundred and twenty patients diagnosed with AGA were divided into three groups; each group is composed of 40 patients.

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The impact of Covid-19 on surgical patients worldwide has been substantial. In the United Kingdom (UK) and the Republic of Ireland (RoI), the first wave of the pandemic occurred in March 2020. The aims of this study were to: (1) evaluate the volume of neurosurgical operative activity levels, Covid-19 infection rate and mortality rate in April 2020 with a retrospective cross-sectional cohort study conducted across 16 UK and RoI neurosurgical centres, and (2) compare patient outcomes in a single institution in April-June 2020 with a comparative cohort in 2019.

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Background: Intrathecal baclofen (ITB) is a useful treatment for hypertonia where non-invasive treatments have been ineffective or poorly tolerated. There is an absence of national guidance on selection criteria and a lack of literature regarding patient characteristics and treatment details for children and young people (CYP) receiving ITB therapy in the UK and Ireland. We aimed to gather patient and treatment characteristics for CYP receiving ITB in the UK and Ireland.

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Background: Selective dorsal rhizotomy (SDR) has been established as an effective surgical treatment for spastic diplegia. The applicability of SDR to the full spectrum of spastic cerebral palsy and the durability of its therapeutic effects remain under investigation. There are currently limited data in the literature regarding efficacy and outcomes following SDR in Gross Motor Function Classification System (GMFCS) IV and V patients.

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Purpose: To compare scoliosis progression in quadriplegic spastic cerebral palsy with and without intrathecal baclofen (ITB) pumps.

Methods: A retrospective matched cohort study was conducted. Patients with quadriplegic spastic cerebral palsy, GMFCS level 5, treated with ITB pumps with follow-up >1 year were matched to comparable cases by age and baseline Cobb angle without ITB pumps.

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Unlabelled: Intrathecal baclofen (ITB) therapy for spasticity has been suggested to accelerate the development of scoliosis. We present the case of a 17-year-old female patient with cerebral palsy who had ITB therapy from the age of 11 years. During this period, she developed a severe scoliosis measuring 86° from T11 to L4, with pain due to costo-pelvic impingement.

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Background: Benign prostatic hyperplasia (BPH) affects many men after the age of 50 years. Inflammation and oxidative stress along with apoptotic changes are thought to play an important role in the pathology of BPH. Pomegranate contains a variety of polyphenolic compounds that have been studied in a medley of diseases for their anti-oxidant, anti-inflammatory and pro-apoptotic properties.

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Intrathecal baclofen has become an invaluable tool to treat spasticity of various etiologies. Children who benefit from intrathecal baclofen are often significantly underweight due to underlying disease pathology, and they lack adequate soft-tissue mass to effectively provide cover to the pump. Thus, in this population, subfascial implantation is favored over the subcutaneous technique in view of the high frequency of wound dehiscence and subsequent explantation of the pump associated with the latter method.

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Object: Intrathecal baclofen (ITB) pump catheter placement is traditionally performed through entry into the spinal sac at the lumbar spine. A minority of children with cerebral palsy have severe concomitant neuromuscular scoliosis. In these children, whether surgically treated or not, access to the intradural space via the lumbar spine may prove technically challenging.

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Post-translational histone modifications are known to be altered in cancer cells, and loss of selected histone acetylation and methylation marks has recently been shown to predict patient outcome in human carcinoma. Immunohistochemistry was used to detect a series of histone lysine acetylation (H3K9ac, H3K18ac, H4K12ac, and H4K16ac), lysine methylation (H3K4me2 and H4K20me3), and arginine methylation (H4R3me2) marks in a well-characterized series of human breast carcinomas (n = 880). Tissue staining intensities were assessed using blinded semiquantitative scoring.

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