Abstract Objective Conflicting data exist on the diagnostic sensitivity of core-needle biopsy (CNB) compared to fine-needle aspiration (FNA) in evaluation axillary lymph node metastasis from breast cancer. Our purpose was evaluate CNB and FNA using subsequent surgery as gold standard compare patients’ subjective pain levels for each method. Methods This IRB-approved prospective study enrolled 1...

Hyaluronic acid gel is a commonly used skin/soft tissue filler in cosmetic dermatology. Hyaluronic acid fillers are packaged in proprietary luer-lock syringes that can be injected via a 30-gauge, 27-gauge or larger diameter needle depending on the consistency of the gel. A method of decanting proprietary hyaluronic acid fillers into multiple 31-gauge insulin syringes for injection is described....

Transbronchial needle aspiration (TBNA) is a procedure routinely performed to diagnose peripheral pulmonary lesions. However, TBNA is associated with a low diagnostic yield due to inappropriate needle placement. We have developed a flexible transbronchial optical frequency domain imaging (TB-OFDI) catheter that functions as a "smart needle" to confirm the needle placement within the target lesi...

To the Editor: We have previously published an article describing a new approach to the interscalene brachial plexus block (1). This technique uses the bony anatomy of the cervical spine as a landmark for directing the needle to the correct position, with the needle type being a 22gauge B-bevel shielded needle. However, studies are conflicting regarding bevel types and their association with pe...

EUS confirmed the presence of enlarged regional lymph nodes [Figure 5] and also revealed a hypoechoic heterogeneous nodule in the left adrenal gland with hyperechoic central area, measuring about 12 mm × 13 mm and with well‐defined limits. EUS‐guided fine needle aspiration (EUS-FNA) of the left adrenal gland was performed [Figure 6] with a 22-gauge EchoTip® Needle (Cook Medical Inc., Limerick, ...

Arthrocentesis is a simple conservative surgical procedure with minimal invasion performed to flush the inflammed TMJ. This treatment modality has been well in practice since over two decades now. Recently, the concept of single puncture arthrocentesis has been introduced and is gaining wide popularity. We believe that the concept of single puncture has revolutionized the traditional technique ...

CONTEXT The diagnosis of prostate adenocarcinoma in needle core biopsy specimens is based on multiple diagnostic criteria and supportive features, most of which have been defined mainly from observations in transurethral resection and prostatectomy specimens. There is little information on the frequency with which diagnostic and supportive features of prostate cancer occur within benign glands....

with a puncture biopsy forceps versus fine needle aspiration A 36-year-old woman presented with abdominal pain, steatorrhea, and weight loss of 8kg. A computed tomography (CT) scan showed an enlarged pancreas with the characteristics of autoimmune pancreatitis (AIP). Because of the suspicion of an autoimmune pancreatitis, she was scheduled for endoscopic ultrasound (EUS) with a 19-gauge punctur...

Objective: Less diameter needles may cause less side effect in lumbar anesthesia. However, some Chinese anesthesiologists consider that bigger needles are suitable for emergency surgery, because it can shorten the puncture period. Present study aimed to compare 25-gauge (G) pencil point needle with 22G cutting needle for emergency caesarean section. Methods: In this prospective study, 200 femal...

Advances in optical imaging modalities, such as optical coherence tomography (OCT), enable us to observe tissue microstructure at high resolution and in real time. Currently, core-needle biopsies are guided by external imaging modalities such as ultrasound imaging and x-ray computed tomography (CT) for breast and lung masses, respectively. These image-guided procedures are frequently limited by...