نتایج جستجو برای: glomus tympanicum

تعداد نتایج: 3586  

2013
Samir Dwidmuthe Amit Nemade Santhosh Rai

Glomus tumour are painful swelling arising from glomus bodies. They are very rare in occurrence. Most of the time the presenting symptoms is severely painful fingertip without palpable swelling. Their most common location is the subungual region of digits. We report the rare case of a glomus tumour located in an uncommon location, i.e., at the tip of right thumb medial aspect near to tendon att...

2018
Isabelle M. Sanchez Dan Ilkovitch

Fig 1. A glomus tumor of the hypothenar eminence. Photo from clinical examination shows a hyperkeratotic papule. Note the resemblance of a foreign body. INTRODUCTION Glomus tumors are rare, benign vascular neoplasms typically localized to the digits, with a propensity for the subungual region of the hand. These subcutaneous hamartomas are derived from hyperplasic modified smooth muscle cells, s...

Journal: :Noro psikiyatri arsivi 2015
Hasan Hüseyin Kozak Ali Ulvi Uca

Glomus tumors were described by Rosenwasser in 1945 (1). Glomus body tumors, often abbreviated as glomus tumors, are also known as paragangliomas or chemodectomas. They are a family of benign hypervascular neoplasms arising from the chief cells of the paraganglionic tissues. Furthermore, glomus tumors have vascular structure, comprising cell bundles stained with non chromaffin among thin-walled...

2017
Ammar Almaghrabi Nizar Almaghrabi Haneen Al-Maghrabi

BACKGROUND Glomus tumors are rare mesenchymal tumors originating from glomus bodies in the skin. Glomus tumors of the kidney are rare tumors and only a few cases have been reported in the medical literature. An extensive search revealed a very limited number of primary renal glomus tumors. Although most of these cases were benign in nature, including a case with uncertain diagnosis of malignant...

2017
Ollin Venegas Andrew Newton Norge Vergara Sunil Singhal Jarrod D. Predina

Glomus tumors are rare neoplasms that typically occur within the dermis or subcutis of the subungual space. Primary glomus tumors of the thorax are exceedingly uncommon, thus standard-of-care management is lacking. In this report we describe the management of a patient presenting with a symptomatic glomus tumor of the posterior trachea, and provide a comprehensive review including all documente...

2016
Sittisak Honsawek Pravit Kitidumrongsook Pobe Luangjarmekorn Kawee Pataradool Voranuch Thanakit Adisorn Patradul

Glomus tumors are uncommon, benign, small neurovascular neoplasms derived from glomus bodies in the reticular dermis. Glomus bodies are found throughout the body to regulate body temperature and skin circulation; however, they are concentrated in the fingers and the sole of the foot. The typical presentation is a solitary nodule in the subungual or periungual area of the distal phalanx. The pri...

Journal: :Journal of neurophysiology 2010
Yu-Long Li Hong Zheng Yanfeng Ding Harold D Schultz

Our previous studies show that a decrease in endogenous nitric oxide (NO) is involved in the blunted outward K(+) currents in carotid body (CB) glomus cells from chronic heart failure (CHF) rabbits. In the present study, we measured the effects of the neuronal nitric oxide synthase (nNOS) transgene on the K(+) currents in CB glomus cells from pacing-induced CHF rabbits. Using single-cell real-t...

Journal: :Ceskoslovenska patologie 2011
L Bauerová V Gabris E Honsová C Povýsil

Glomus tumor is a benign soft tissue neoplasm which commonly affects the subungual region of the fingers. But the tumors can also arise in the other sites such as the antrum of the stomach. We are reporting a case of a glomus tumor of the stomach in a 71-year-old female patient who presented with dyspepsia. The tumor was confined to the lamina muscularis propria, it consisted of round cells wit...

Journal: :Journal of the American Academy of Dermatology 2014
Monique G Kumar Ryan J Emnett Susan J Bayliss David H Gutmann

BACKGROUND Glomus tumors have recently been reported in individuals with the neurofibromatosis type 1 (NF1) cancer disposition syndrome. We compare the clinical and molecular features of these painful hamartomas in a series of sporadic and NF1-associated cases. OBJECTIVE We sought to evaluate the association of NF1 with glomus tumors and to compare NF1-associated glomus tumors with sporadic g...

2010
Athanassios Kleontas Nikolaos Barbetakis Christos Asteriou Anastasia Nikolaidou Aggeliki Baliaka Ioanna Kokkori Eleftheria Konstantinou Anna Grigoriou Jacob Antzel

BACKGROUND Glomus tumor is an uncommon neoplasm derived from cells of the neuromyoarterial glomus or glomus body. Most glomus tumours occur in the dermis and subcutaneous tissues. A case of a primary pulmonary glomus tumour originating in the right upper lobe is presented. CASE PRESENTATION A 74-yr-old male was admitted with siccus cough, dyspnea and right-sided chest pain. Computed tomograph...

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