Search Results
Results 401 - 450 of 3770
< 4 5 6 7 8 9 10 11 12 13 14 >
Jayant Kumar K Department of General Surgery, Sudha Hospital & Medical Research Center, Kota, Rajasthan, - - 2014
A 32-year-old asymptomatic woman presented with localised mass on the left side of the abdomen for 8 months. An abdominal ultrasound and CT scan revealed a solid heterogenous mass located just below the left kidney in the retroperitoneum. Provisional diagnosis of soft tissue sarcoma was made. Following this, surgery was ...
Bates Anthony Simon AS University of Bristol, Bristol, - - 2014
Myopericytoma (MPC) is a vascular neoplasm exhibiting differentiation towards perivascular cells. Variable cytoarchitechtural features are visible within MPC, and there is much overlap between MPC, myofibroma and glomus tumours. MPC have a local recurrence rate of 10-20% and malignancy has been described in a few published cases. Previously, superficial parotidectomy ...
Nishiyama Takanori T Department of Otolaryngology, Nasu Red Cross Hospital, 1081-4 Nakatahara, 324-8686 Ohtawara City, Tochigi, - - 2014
Fibroma, neurofibroma, and papilloma are the most commonly encountered benign lesions in the nasopharynx. Hamartomas are non-neoplastic overgrowth of mature/differentiated tissue indigenous to the specific part of the body in which they develop. Most hamartomas are located in the liver, spleen, lungs, and pancreas. However, nasopharyngeal hamartoma is rare. We ...
Sarioglu Nurhan - - 2014
Hamartomas are the most common benign tumors of the lung. Endobnronchial hamartomas are even rarer and infrequently causes hemoptysis. We report a case of endobronchial hamartoma that was originating from a segment bronchus and invisible in chest X-ray. A 63-year-old man was admitted to hospital with hemoptysis. A CT scan ...
Singh Hitendra Prakash HP Department of ENT and Head-Neck Surgery, King George's Medical University, Lucknow, Uttar Pradesh, - - 2014
Nasopharyngeal angiofibroma is a rare and benign disease, which is mainly found in adolescent male subjects. It is usually diagnosed on clinical grounds on the basis of its presenting symptoms of nasal obstruction, nasal mass and most importantly unprovoked recurrent moderate to severe epistaxis. Imaging studies are only needed to ...
Espitia Pinzon Nathaly N VU University Medical Center, Neuroscience Campus Amsterdam, Department of Anatomy and Neurosciences, Amsterdam, The - - 2014
Infiltration of leukocytes is a major pathological event in white matter lesion formation in the brain of multiple sclerosis (MS) patients. In grey matter lesions, less infiltration of these cells occur, but microglial activation is present. Thus far, the interaction of β-integrins with extracellular matrix proteins, e.g. fibronectin, is considered ...
Brunet-LLobet Lluís L Servei d'Odontopediatria, Hospital Universitari Sant Joan de Déu, Universitat de Barcelona, Barcelona, - - 2014
Pyogenic granuloma is defined as a benign neoplasm of vascular phenotype. This case describes the clinical and histopathological features of a gigantic mucogingival pyogenic granuloma, in a 14-year-old healthy black boy. This exophytic gray-purple mass, related to a toothpick injury, had more than twelve-month evolution on the anterior mandible involving ...
Sinclair N N Department of Medical Imaging, Royal University Hospital, University of Saskatchewan, Room 1566, 103 Hospital Drive, Saskatoon, SK, Canada S7N - - 2014
Burkitt's lymphoma is the most frequent subtype of non-Hodgkin's lymphoma in childhood. Radiographic findings are protean and can often overlap with other neoplastic and nonneoplastic processes. We present an unusual case of Burkitt's lymphoma in a 12-year-old boy presenting with a one-week history of urinary retention, dysuria, and "tailbone pain," ...
Escobar Mauricio Antonio MA Department of Pediatric Surgical Services, Mary Bridge Children's Hospital & Health Center, Tacoma, Washington, - - 2014
An 11-year-old girl presented with acute pancreatitis and mass in the head of the pancreas. MRI revealed a heterogeneous right-upper quadrant retroperitoneal mass measuring 6.8×6.1×5.5 cm arising from the pancreatic head. Endoscopic ultrasound with fine-needle aspirate revealed a solid pseudopapillary tumour (SPT) of the pancreas. The patient underwent a pylorus-preserving ...
Adesiyun Adebiyi Gbadebo AG Department of Obstetrics & Gynaecology, Ahmadu Bello University Teaching Hospital, Zaria, - - 2014
Ovarian vein thrombosis is a rare clinical entity that may present in the puerperium. We report the clinical outcomes of two cases of postpartum ovarian vein thrombosis, incidentally diagnosed at laparotomy in 16-year-old and 23-year-old females. They had preoperative diagnosis of torsion tuboovarian mass and twisted pedunculated uterine fibroid, respectively. ...
Yadav Santosh Kumar SK Department of Oral and Maxillofacial Surgery, Chitwan Medical College Pvt. Ltd, P.O. Box 42, Bharatpur 10, Nepal ; IAOMS Fellow Oral and Maxillofacial Oncology and Reconstructive Surgery, Department of Oral and Maxillofacial Surgery, Peking University School of Stomatology, 22 Zhongguancun South Avenue, Beijing 100081, - - 2014
Rhinosporidiosis is a benign chronic granulomatous infection caused by Rhinosporidiosis seeberi (R. seeberi). Rhinosporidiosis is endemic in South Asia, notably in Southern India and Sri Lanka. The common sites of involvement are the nose and nasopharynx followed by ocular tissue. Rhinosporidiosis is also known to involve many rare sites and ...
Leggett Cadman L CL Barrett's Esophagus Unit, Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, - - 2014
Confocal laser endomicroscopy is an advanced endoscopic imaging modality that can be used for the diagnosis of early mucosal dysplasia in various gastrointestinal conditions. It provides histology-like images at 1000-fold magnification. The technology offers potential advantages in the diagnosis of Barrett's esophagus and early esophageal cancer due to the low ...
Tanimu Sabo S Department of Gastroenterology, Marshfield Clinic, Weston, Wisconsin, - - 2014
Oesophageal papillomatosis is a very rare entity, with only 10 cases (including ours) reported in the literature. We report a 51-year-old man with a 25-year history of dysphagia with solids and liquids who failed a trial of proton pump inhibitors and fluticasone. His initial endoscopy revealed a viliform mass with ...
Alzahrani Hassan A HA Department of Surgery, King Fahad Medical City, P.O. Box 59046, Riyadh 11525, Saudi - - 2014
Cervical thymic cysts (CTCs) are unusual lesions, representing only 1% of cystic cervical masses. Diagnosis of this condition in adults is even rarer. We report a 34-year-old female who presented with asymptomatic progressively growing left-sided neck swelling. Neck ultrasound (US) showed a large cystic lesion with septation, compressing the ipsilateral ...
Mallınson Paul P Department of Radiology, Vancouver General Hospital/University of British Columbia, VANCOUVER/BC, - - 2014
To create awareness of the benign lesions from which osteosarcoma may arise. Osteosarcoma is a rare tumour of bone the etiology of which is poorly understood, but it may arise from benign lesions. Malignant transformation in hemangiomas, in the absence of prior radiation, is exceedingly rare and the resulting neoplasm ...
Katz Matthew M Department of Urology, Weill Cornell Medical College, New York, New York, - - 2014
A 38-year-old man presented with a 2-year history of an enlarging scrotal nodule. Scrotal ultrasound revealed two soft tissue masses separate from the testicle in the right scrotum measuring 1.7 and 0.8 cm. The patient underwent excision of the scrotal nodules, revealing firm, white tissue with a smooth, nodular surface. ...
de Medeiros Frederico Carvalho FC Department of Neurology, Santa Casa de Belo Horizonte, MG, - - 2014
Introduction. Observation of open-ring enhancement in magnetic resonance imaging (MRI) is considered a specificity marker for diagnosing pseudotumoral multiple sclerosis (MS). This finding is of great value in the differential diagnosis of tumefactive lesions. Case Report. We describe a 55-year-old white woman, with previous history of ovarian cancer and recent ...
Hoover Jason J 0000-0001-8048-150X The Texas Brain and Spine Institute, 8441 State Highway 47, Suite 4300, Bryan, TX 77807, USA ; Department of Neurosurgery, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, - - 2014
A 68-year-old female had a three-week history of severe low back pain radiating down the posterior left buttocks and left leg exacerbated by standing and walking. Lumbar spine MRI revealed cystic mass with similar intensity to cerebrospinal fluid located on dorsolateral left side of the sacral spinal canal inferior to ...
Farag Fawzy F Department of Urology, Radboud University Medical Centre, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands ; Department of Urology, Sohag University Hospitals, - - 2014
Introduction. Masses arising from structures adjacent to the female urethra can cause obstructive urinary symptoms. Subpubic cartilaginous pseudocyst is a rare degenerative lesion of pubic symphysis that may cause these symptoms. Materials and Methods. A 61-year- and 57-year-old women presented with symptoms of difficult micturition and dyspareunia. Physical examination revealed ...
Buderi Silviu Ioan SI Norfolk and Norwich University Hospital, Norwich, - - 2014
A 65-year-old woman was referred with hypercalcaemia and found to have a four cm retrotracheal mass on CT. The patient also suffered from neurofibromatosis and a recently diagnosed gastric mass. Tc(99) sestamibi scintigraphy revealed an area of intense uptake in the right upper mediastinum. Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) was ...
Chung Chul Y CY Department of Radiology, Baylor College of Medicine, Houston, Texas, - - 2014
Parenchymal lung metastases are common in malignant melanoma. However, endobronchial metastatic melanoma is uncommon. In this report, we describe a patient with a hyperdense endobronchial mass diagnosed as a melanoma metastasis. We review the imaging findings of pulmonary metastatic melanoma and discuss the differential diagnosis of an endobronchial mass in ...
Patel Bhargavi B Department of Radiology, University of Illinois, 1740 W Taylor St, Room 2483, Chicago, IL 60612 USA. - - 2014
Inguinal herniation of the ovary or uterus presenting as a labia majora mass is a rare congenital condition that may be complicated by strangulation, torsion, and infertility. A labial mass in a prepubertal female patient can represent an inguinal hernia, a hydrocele of the canal of Nuck, a congenital labial ...
Gelfand Jeffrey M JM Department of Neurology, University of California, San Francisco, USA. Electronic address: - - 2014
The diagnosis of multiple sclerosis (MS) is based on demonstrating evidence of inflammatory-demyelinating injury within the central nervous system that is disseminated in both time and space. Diagnosis is made through a combination of the clinical history, neurologic examination, magnetic resonance imaging and the exclusion of other diagnostic possibilities. Other ...
Naffaa Mohammad Ebrahim ME Internal Medicine H and B. Shine Rheumatology Unit, Rambam Health Care Campus, Haifa, - - 2014
We report a case of a 54-year-old woman presented with bilateral pitting leg oedema. Initial workup for common aetiologies was unrevealing and diuretic therapy was ineffective. A CT scan of the abdomen demonstrated left adrenal mass with direct invasion of the adrenal vein and inferior vena cava with direct extension ...
Koiso Takao T Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki 305-8575, - - 2014
The entity of pituitary (sellar or parasellar) lymphoma includes primary pituitary lymphoma (PPL) and secondary pituitary lymphoma (SPL). The latter has an involvement of systemic lymphoma. Both of these lymphomas are extremely rare. We describe a patient with SPL showing a good prognosis. A 78-year-old woman presented with diplopia, left ...
Lococo Filippo F Unit of Thoracic Surgery, IRCCS-Arcispedale Santa Maria Nuova, - - 2014
The acquisition of histologic material is obligatory in order to establish the diagnosis of malignant pleural mesothelioma (MPM). In particular, tissue acquisition in cases of "dry" MPM (focal pleural thickening without pleural effusion or mediastinal lymph node involvement) is usually performed via a thoracoscopic pleural biopsy. In contrast, the techniques ...
Li Dai-Rong DR Department of Respiratory Medicine, The First Affiliated Hospital of Chongqing Medical University Chongqing, P. R. - - 2014
The aim of the present study is to confirm the value of electronic bronchoscopy-aided catheter aspiration technique with liquid-based cytological test in the diagnosis of bronchogenic carcinoma. A total of 815 patients of lung cancer were evaluated by bronchoscopy between February 2011 and June 2012. Catheter aspiration technique and forceps ...
Pittayanon Rapat R Department of Medicine, King Chulalongkorn Memorial Hospital and Chulalongkorn University, Bangkok, - - 2014
A 55-year-old healthy Thai man presented with incidental finding of a well-circumscribed, 5.8×5.4 cm mass in the right side of the pelvic cavity with heterogeneous density by a CT scan performed for trauma. No other distant lesion was detected. The pathology from pelvic mass showed poorly differentiated neuroendocrine carcinoma (NEC). ...
Safain Mina G MG Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, - - 2014
Epidermoid cysts are rare lesions accounting for 1% of intracranial tumors with approximately 50% located within the cerebello-pontine angle (CPA). Resection is complicated by their close anatomical relation to critical neurovascular structures and their tendency to be densely adherent making complete removal a significant neurosurgical challenge. We present a 35-year-old ...
Feng An-Ning AN Department of Pathology, Nanjing Drum Tower Hospital, Nanjing University Medical School Nanjing, - - 2014
Acute fibrinous and organizing pneumonia (AFOP) is a histological pattern characterized by intra-alveolus fibrinous deposition accompanied with a spectrum of clinical condition. It also presents in other types of lung lesions, thus renders risks to its diagnosis with small biopsies. Here we present 2 cases of lung consolidation and occupying ...
Taftaf Rokana R 0000-0003-0864-3177 Department of Medicine, Division of Hematology/Oncology, University of Cincinnati, Cincinnati, OH 45219, - - 2014
Benign metastasizing leiomyoma (BML) is a rare disease that usually occurs in women of reproductive age. They typically have history of uterine leiomyoma treated with hysterectomy. BML can metastasize to distant organs, with the lung being the most common organ. We report two patients who presented with benign metastasizing leiomyoma ...
Popescu V V Department of Radiology and Nuclear Medicine, VU University Medical Center, Amsterdam, The - - 2014
In multiple sclerosis (MS), brain atrophy quantification is affected by white matter lesions. LEAP and FSL-lesion_filling, replace lesion voxels with white matter intensities; however, they require precise lesion identification on 3DT1-images. To determine whether 2DT2 lesion masks co-registered to 3DT1 images, yield grey and white matter volumes comparable to precise ...
Cao De-Hong DH Department of Urology, West China Hospital, Sichuan University Chengdu, - - 2014
Bronchogenic cysts are rare benign congenital anomalies, originating from the embryonic foregut ventral segment. Adrenal bronchogenic cyst is a rare form of this anomaly. One extremely rare case of bilateral adrenal multilocular bronchogenic cyst in our hospital was reported and the relevant literatures were reviewed. Significant findings: A 51-year-old man ...
Bhullar Jasneet Singh JS Department of Surgery, Providence Hospital and Medical Centers, 16001 West 9 Mile Road, Southfield, MI 48075, USA. - - 2014
Mesenteric pseudocyst is a term used to describe an abdominal cystic mass with an unknown abdominal origin. They are rare intra-abdominal masses, with a reported incidence of approximately 1 per 100,000 to 250,000 hospital admissions. Most cysts are benign and they may present differently, such as a disappearing mass or ...
Wang X Y - - 2014
This study aims to investigate the value of real-time contrast-enhanced ultrasonography (US) in differentiating benign and malignant breast lumps. Patients with breast lesions were observed. The enhancement form, intensity, and time-intensity curve were classified, and the characteristics of all the lesions were analyzed. Inhomogeneous partial enhancement and entire enhancement were ...
Leung Alexander K C AK 0000-0003-2254-6971 Department of Pediatrics, The University of Calgary, The Alberta Children's Hospital, Calgary, AB, Canada T2M - - 2014
Salmon patches are present in approximately 44% of all neonates. The lesions tend to fade with time and those on the glabellum, eyelids, nose, and upper lip are rarely detected after the age of 6. We report a 33-year-old Chinese female with a salmon patch on the forehead and glabellum. ...
Barrington Craig C Department of Medicine, ABMU, Swansea, - - 2014
A 45-year-old man presented with a large para-aortic retroperitoneal tumour, a smaller second mediastinal tumour and elevated lactate dehydrogenase (LDH). Biopsy established a diagnosis of extragonadal seminoma. Treatment with cisplatin and etoposide resulted in complete resolution of the mediastinal mass, reduction of the size of the retroperitoneal mass and normalisation ...
Xie Wei W 0000-0002-7265-181X Department of Pathology and Immunology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, - - 2014
We report a case of synchronous primary colonic adenocarcinoma and malignant mesothelioma. A 61-year-old male presented with a six-month history of fatigue and weight loss. An abdominal computed tomography (CT) scan showed a 5.8 cm partially obstructing mass in the cecum with ascites and peritoneal thickening. A biopsy of the large ...
Bharti Jyotsna Naresh JN Department of Pathology, Maulana Azad Medical College, New Delhi, - - 2014
Trichofolliculoma represents abortive differentiation of pluripotent skin cells toward hair follicles. We present a case of an adult female with lobulated mass involving the tip and dorsum of the nose for the last 15 years. The systemic and radiological examinations were noncontributory. The clinical diagnosis was thought to be dermoid ...
Zhang Zhengwei Z *MMed †MD Department of Ophthalmology, Wuxi No. 2 Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu Province, China (both - - 2013
To describe a case of sebaceous carcinoma of the caruncle and review relevant literature to raise awareness about this rare disease. A 63-year-old Chinese man presented with a nontender mass that had developed within the right lacrimal caruncle more than 3 years previously and had been growing in size. The ...
Surov Alexey A Department of Radiology, Martin-Luther-University Halle-Wittenberg, Halle, Germany. Electronic address: - - 2014
There are several tumors and tumorlike conditions with variable biological behavior that may involve the skeletal musculature. The aim of this work was to review different intramuscular lesions and to provide a classification of muscle lesions based on their radiological patterns as well as to provide as a pictorial essay ...
Masciovecchio Stefano S Università degli Studi dell'Aquila, Dipartimento MESVA, U.O.C. Urologia, P.O. "G. Mazzini", Teramo - - - 2013
<sec id="st1"><title>An unusual case of massive funicular lipoma</title><p><italic>Intrascrotal lipomas are benign diseases that originate from adipose tissue inside the scrotal sac or constituting the scrotal wall itself. Paratesticular spermatic cord lipomas are a rare type of intrascrotal lipomas. A 78 years old patient in good health comes to our attention ...
Ginat Daniel Thomas DT Department of Radiology, University of Chicago, Chicago, IL. Electronic address: - - 2013
This article describes a case of organizing hematoma with features of papillary endothelial hyperplasia arising at the site of a right cerebellar juvenile pilocytic astrocytoma previously treated with surgery and involved-field radiation therapy. CTA demonstrated a mass with abnormal vascularity in the treatment bed. MRI demonstrated the evolution of the ...
Mundt Filip F Karolinska Institutet, - - 2013
Malignant mesothelioma is an aggressive asbestos-induced cancer, and affected patients have a median survival of approximately one year after diagnosis. It is often difficult to reach a conclusive diagnosis, and ancillary measurements of soluble biomarkers could increase diagnostic accuracy. Unfortunately, few soluble mesothelioma biomarkers are suitable for clinical application. Here ...
Huang Kevin T KT Division of Neurosurgery, Duke University Medical Center, Durham, North Carolina, United - - 2014
Study Design Case report. Objective To report the case of one patient who developed a giant, completely calcified, juxtafacet cyst. Methods A 57-year-old woman presented with a 2-year history of progressively worsening lower back pain, left leg pain, weakness, and paresthesias. Imaging showed a giant, completely calcified mass arising from the left L5-S1 ...
Yasuda Ichiro I First Department of Internal Medicine, Gifu University Hospital, 1-1 Yanagido, Gifu, 501-1194, Japan. - - 2013
Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is a well-established procedure for diagnosis of pancreatic solid masses. This technique is highly accurate and safe and can be performed uneventfully in most cases. However, factors such as unstable scope position, inappropriate location of the lesion, lesion mobility, and lesion characteristics may complicate ...
Wiratkapun Cholatip C Department of Radiology, Mahidol University School of Medicine, Ramathibodi Hospital, Bangkok, - - 2013
We aimed to identify factors that might help differentiate phyllodes tumors from fibroadenomas among cases in which a fibroepithelial breast lesion was diagnosed from core needle biopsy (CNB) under imaging guidance. A retrospective review was performed on 213 lesions in 200 patients who had undergone both CNB and excisional biopsy ...
Thanos Aristomenis A Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, - - 2013
A 24-year-old woman underwent excision of a slowly growing mass located in the right superomedial orbit that had histopathologic and immunohistochemical findings consistent with a choristomatous respiratory cyst. This rare condition may either arise primarily from embryologic respiratory epithelium rests in the orbit or develop secondarily as the result of ...
Kim Dong-Hyeok DH Division of Cardiology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, - - 2013
Primary cardiac lymphoma (PCL) is a very rare malignancy although cardiac involvement with the disseminated disease is not uncommon. We present a case of a 43-year-old man with PCL that initially presented as marked thickening of all cardiac walls and was mistakenly diagnosed as an atypical type of hypertrophic cardiomyopathy. ...
Clancy Cillian C Department of Colorectal Surgery, University College Hospital Galway, Ireland. Electronic address: - - 2014
Peri-anal fistulae commonly present with collections requiring surgical intervention. The most common cause of a peri-anal mass is abscess formation secondary to anal gland sepsis. In certain patient groups such as those over 65 or with atypical presenting symptoms there are other important considerations. A 70-year old male was referred ...
< 4 5 6 7 8 9 10 11 12 13 14 >