No single safe zone exists for the valgus cut angle to reproduce neutral mechanical alignment in the presence of femoral bowing in total knee arthroplasty.

Purpose: The aim of this study is to report the prevalence of femoral bowing in the Egyptian arthritic knees as a representative of the middle eastern population and to study the correlation between the femoral bowing and the degree of arthritis, varus deformity and the distal femoral valgus cut angle (VCA).

Methods: This is a single-center observational cross-sectional study. Out of 562 knees Scheduled for TKA, 124 knees were excluded leaving 438 knees eligible for the study.

CNS Demyelination Syndromes Following COVID-19 Vaccination: A Case Series.

Background And Objectives: Although immunization against coronavirus disease 2019 (COVID-19) is ongoing, adverse reactions to these vaccinations have been observed in isolated cases. We aimed to report different neurological complications developed after COVID-19 vaccination.

Materials And Methods: In our case series study, we report all cases of CNS demyelination following COVID-19 immunization.

Spontaneous Coronary Artery Dissection in Young Patients: A Case Series and Review of Current Management Algorithm.

Spontaneous coronary artery dissection (SCAD) is a rare but increasingly recognized non-atherosclerotic cause of acute coronary syndrome. Common risk factors for SCAD are coronary atherosclerosis, female gender, peripartum period, systemic inflammatory conditions, and connective tissue disorders. It manifests as myocardial ischemia and infarction, arrhythmia, and sudden cardiac death.

Left circumflex STEMI presenting as de Winter sign, an ECG Zebra that gives you the chills! A case report.

de Winter ECG sign is an anterior ST-segment elevation myocardial infarction equivalent, which refers to an occlusion of the proximal left anterior descending (LAD) coronary artery with tall T waves and the absence of ST elevations in the precordial leads on the electrocardiogram (ECG). This sign is often under-recognized and not treated as an ST-segment elevation myocardial infarction which can increase the morbidity and mortality of such a life-threatening condition. Here we report a characteristic de Winter ECG sign involving left circumflex artery as culprit vessel, which was managed with PCI.

Anomalous Origin of the Left Coronary Artery From the Right Coronary Cusp: A Case Report.

Anomalous origin of the left main coronary trunk from the right coronary sinus is a rare condition and is associated with a significantly increased risk of cardiac events, including sudden cardiac death, and it may pose difficulties in their management using revascularization strategies. We present a case of a 68-year-old man with worsening chest pain. Initial evaluation revealed ST elevation of the inferior wall leads and elevated troponins.

Value of Grayscale and Power Doppler High-Resolution Ultrasound in Assessment of Patients with Clinically Suspected Carpal Tunnel Syndrome.

Objectives: To determine the value of grayscale and power Doppler ultrasound (PDUS) in the evaluation of carpal tunnel syndrome (CTS) in clinically suspected patients.

Methods: Eighty-seven wrists of 61 patients with clinically suspected CTS and 57 wrists of 30 healthy control participants were included in our study. Median nerve (MN) cross-sectional area (CSA) measurements were performed at the tunnel inlet level (wCSA) and proximal pronator quadratus muscle level (fCSA).

Takotsubo Cardiomyopathy-Induced Cardiac Free Wall Rupture: A Case Report and Review of Literature.

Takotsubo cardiomyopathy (TCM) is an acquired form of cardiomyopathy that is commonly seen among post-menopausal women. It is characterized by left ventricular apical ballooning, electrocardiographic changes and mild elevation of cardiac enzymes in the absence of significant coronary artery stenosis. TCM usually has benign course.

Prenatal Exposure to Endocrine Disruptors and Reprogramming of Adipogenesis: An Early-Life Risk Factor for Childhood Obesity.

Obesity is a global health problem. It is characterized by excess adipose tissue that results from either increase in the number of adipocytes or increase in adipocytes size. Adipocyte differentiation is a highly regulated process that involves the activation of several transcription factors culminating in the removal of adipocytes from the cell cycle and induction of highly specific proteins.

Small Incision Lenticule Extraction for Postkeratoplasty Myopia and Astigmatism.

Purpose. To evaluate the visual and refractive outcomes after small incision lenticule extraction (SMILE) for treating myopia and myopic astigmatism after penetrating keratoplasty (PKP). Design.

Characteristics of missed lung cancer on chest radiographs: a French experience.

The purpose of this study was to report 30 cases of missed lung cancers and describe characteristics of each case. Reasons for misdiagnosis were analyzed from the report. Each radiograph was subsequently reviewed by a panel of two experts who quantified several parameters regarding image analysis and film quality.

Axenic in vitro culture of Schistosoma mansoni miracidia.

Miracidia of Schistosoma mansoni have been grown axenically. The use of saline solution of 0.75% facilitated the shedding of epidermal plates which if occurred promote a rapid sporocystogenesis.

Studies on the sacculant portion of the kidney of Biomphalaria glabrata Say (1818) as a haemopoietic organ.

The term immunity signifies all those properties of the host which confer resistance to a specific infectious agent. This resistance may be of all degrees ranging from complete to incomplete susceptibility. The defensive functions is performed by various cellular and humoral components which interact with each other producing a co-ordinated immune response directed towards eliminating the pathogen or minimizing its danger.

Effect of the behavioural stress on susceptibility of Syrian hamsters to Schistosoma mansoni infection: effect on number and fertility of worm burden.

Effect of pairing on susceptibility of male Syrian hamsters to Schistosoma mansoni infection in comparison to their isolated counter-parts have been studied. Pairing resulted in significant differences between paired and isolated hamsters in measurements of eggs, miracidia, number of adult worms recovered and mean testicular number of males. Paired hamsters seemed to be immunologically suppressed and such a suppression resulted in increasing the fertility and number of worms recovered.

Studies on the nematode parasites from Egyptian rodents. I. Spirurid nematodes.

Three spirurid nematode species have been collected from Egyptian rodents in Giza province. Streptopharagus kuntzi was collected from stomach and small intestine of Rattus ratus, R. norvegicus, Arvicanthis niloticus and Gerbillus gerbillus.

Larval occurrence of Hydatigera taeniaeformis Batsch (1786) (Cestoda: Taeniidae) in the liver of wild rodents in Egypt.

Hydatigera taeniaeformis Batsch (1786) was found in the liver of six species of Egyptian wild rodents. Wanas et al., (1990) found the total incidence of this larval stage to be 20.