Background—In patients with a hepatic mass, malignancy can be diagnosed or excluded by a needle biopsy. However, this procedure can cause the formation of subcutaneous metastatic nodules in the needle tract. We present a case of recurrent subcutaneous seeding four years after a biopsy of a small hepatocellular carcinoma (HCC). Case report—A 30 year old woman with hepatitis B liver cirrhosis pre...

BACKGROUND The aim of this study was to investigate whether needles introduce skin plugs into joints during arthrocentesis. MATERIAL AND METHODS In the first part of this study, the arthrocentesis site was scrubbed with a fluorescein sodium swab, and 90 needles were inserted through the joint tissue and collected for examination under a fluorescence microscope. In the second part of this study,...

INTRODUCTION The military recommends that a 500 mL bolus of Hextend® be administered via an intravenous (IV) 18-gauge needle or via an intraosseous (IO) needle for patients in hypovolemic shock. PURPOSES The purposes of this study were to compare the time of administration of Hextend and the hemodynamics of IV and IO routes in a Class II hemorrhage swine model. METHODS This was an experimen...

Botulinum toxin type A (BTX-A) is a recognized treatment for the temporary relief of refractory palmar hyperhidrosis. Unfortunately, intradermal injection of BTX-A can be painful. Several modalities to reduce the pain of injection have consequently been devised. Peripheral nerve blockade with lidocaine before BTX-A treatment of palmar hyperhidrosis is a safe and effective method of pain relief....

This paper is concerned with large-gauge needle biopsies of suspicious breast neoplasia performed within a three-year period (22nd June 1999 through 21st December 2001). Within that time 262 large-gauge needle biopsies as well as cytological punctions were performed with the aim of diagnosing benign and malignant neoplasia. In the same three-year period 29 malignant breast tumors were diagnosed...

AIM To determine if pre-injection diffusion of local anaesthetic solution influences the discomfort of needle penetration in the palate. METHODS A placebo-controlled, randomised, double-blind split-mouth investigation was conducted. 25 healthy adult volunteers were recruited and each received two needle penetrations in a random order during one visit. The penetration sites were 1 cm from the ...

Imaging of alveoli in situ has for the most part been infeasible due to the high resolution required to discern individual alveoli and limited access to alveoli beneath the lung surface. In this study, we present a novel technique to image alveoli using optical coherence tomography (OCT). We propose the use of OCT needle probes, where the distal imaging probe has been miniaturized and encased w...

BACKGROUND To reduce the risk of post-dural puncture headache (PDPH) in continuous spinal anaesthesia, small-gauge spinal catheter systems with different techniques of dural perforation have been developed. METHODS Two systems, the catheter through-needle technique (MicroCatheter, Portex, UK) and the catheter over-needle technique (22G Spinocath, B. Braun, Germany), were used in 18 young heal...

Disc degeneration is a multifactorial process that involves hypoxia, inflammation, neoinnervation, accelerated catabolism, and reduction in water and glycosaminoglycan content. Cannabidiol is the main non-psychotropic component of the Cannabis sativa with protective and anti-inflammatory properties. However, possible therapeutic effects of cannabidiol on intervertebral disc degeneration have no...