Paul Rizk
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Metastatic appendicular soft tissue sarcoma: treatment and survival outcomes of 2,553 patients from the SEER database Open
Introduction: Patients with soft tissue sarcoma (STS) that present with metastasis at diagnosis have a dire prognosis. Within this patient population, we sought to assess: (1) demographic and clinical characteristics, (2) metastatic patter…
View article: Arthroscopic treatment for intra-articular fibroma of the tendon sheath in a teenager
Arthroscopic treatment for intra-articular fibroma of the tendon sheath in a teenager Open
An adolescent female patient presented with atraumatic left knee pain and limited flexion. MRI demonstrated evidence of a soft tissue lesion abutting the posterior cruciate ligament. Differential diagnosis included pigmented villonodular s…
Novel methods to enhance surgical sperm retrieval: a systematic review Open
Objectives: To explore the use of novel technologies in sperm retrieval in men with azoospermia due to a production defect. Methods: We performed a Preferred Reporting Items for Systemic Reviews and Meta-Analysis (PRISMA)-compliant systemi…
The Basic Physics of Waves, Soundwaves, and Shockwaves for Erectile Dysfunction Open
Introduction Over the past decade, low-intensity extracorporeal shockwave therapy (Li-ESWT) has emerged as a treatment modality for erectile dysfunction (ED). To better appreciate the differences between the various devices for the treatme…
Testosterone therapy improves erectile function and libido in hypogonadal men Open
The available literature supports a role for TTh in men with low testosterone levels, erectile dysfunction, and low libido, with symptomatic improvement in these men.
Interplay of buried histidine protonation and protein stability in prion misfolding Open
Misofolding of mammalian prion proteins (PrP) is believed to be the cause of a group of rare and fatal neurodegenerative diseases. Despite intense scrutiny however, the mechanism of the misfolding reaction remains unclear. We perform nucle…