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Wong Kristine S KS *Washington University School of Medicine Departments of †Pathology and Immunology ‡Otolaryngology Head and Neck Surgery, Washington University School of Medicine, St Louis, MO §Department of Pathology, Johns Hopkins University, Baltimore, - - 2014
Differentiating parathyroid with pseudofollicular architecture from thyroid tissue can be challenging on intraoperative frozen sections. Birefringent calcium oxalate crystals are present in colloid of normal thyroid follicles, whereas crystals are rare in parathyroid tissue. It has been suggested that crystal identification using polarized microscopy could aid in distinguishing thyroid from ...
Thawani Rajat R Departments of Pediatrics and *Pathology, Indraprastha Apollo Hospital, New Delhi, India. Correspondence to: Dr Rajat Thawani, F-61/B, Gangotri Enclave, Alaknanda, New Delhi 110 019, India. - - 2014
Granulocytic sarcoma, an uncommon solid, extra-medullary tumor is a rare presentation of acute myeloid leukemia. A seven-year old boy admitted to the hospital for treatment of leukemia having radiological findings of consolidation in one lung. A bronchoalveolar lavage was done which was negative for tubercular, bacterial, and fungal infection but ...
Abdel Razek Ahmed Abdel Khalek AA Department of Diagnostic Radiology, Mansoura Faculty of Medicine, Elgomheryia Street, Mansoura, 35512, Egypt, - - 2014
We aim to review the normal anatomy and imaging appearance of masticator space lesions. Because the masticator space is not amenable to direct examination, cross-sectional imaging with computed tomography and magnetic resonance imaging play an important role in diagnosis and characterization of lesions occurring there. Masticator space lesions can be ...
Buck Michelle M Michelle Buck, APN, CNS, Cadence Physician Group/Orthopaedics, Warrenville, IL. Marjorie Delaney, APN, FNP-BC, Cadence Physician Group/Orthopaedics, Warrenville, - - 2014
Gout is a common arthritic condition that continues to increase in prevalence. Symptoms of gout include a rapid onset of pain, erythema, swelling, and warmth in the affected joint. These symptoms may mimic cellulitis, thrombophlebitis, and septic arthritis (); however, a definitive diagnosis can be obtained through joint aspiration and ...
Vandenbussche Christopher J CJ Department of Pathology, The Johns Hopkins Medical Institutions, Baltimore, - - 2013
Squamous-lined cysts (SLC) in the pancreas are rare and include lymphoepithelial cysts (LEC), dermoid cysts (DC), and epidermoid cysts in heterotopic spleen (EC). Previously only rare case reports and small case series have been published describing the FNA findings in these entities. The departmental archives were searched for surgically excised ...
Mudaliar K M - - 2013
Atypical vascular lesions (AVL) and angiosarcomas (AS) are lesions known to arise after radiation therapy. These lesions can show overlap in both their gross and histologic pictures, and distinction between the two can be extremely challenging at times. They are known most commonly to arise in the breast region after ...
Slutzky-Goldberg Iris - - 2013
Cholesterol clefts are common histologic findings in periapical biopsies; they have a reported incidence in periapical periodontitis of up to 44%. Cholesterol crystals are also recognized in advanced atherosclerotic plaques in humans. Male sex, genetic abnormalities, and age have been associated with advanced atherosclerotic lesions. Among these nonmodifiable risk factors, ...
Guney Ahmet A Department of Orthopaedics and Traumatology, Erciyes University Medical Faculty, Kayseri, - - 2013
Exact role of the inflammation in osteoarthritis is still unclear, but it is thought to originate from synovitis due to micro-crystals or breakdown products of the cartilage. To determine the effect of CD30+ T lymphocytes on the development of osteoarthritis by comparing the lesion depth and synovial CD30+ count in ...
Chang Hsin-Jen - - 2013
Auricular tophi are firm deposits of monosodium urate in crystal form, which may slowly develop in subcutaneous tissue of the ear. Ear is not usual locations for gout tophi, but when this growth does occur, helix and the antihelix are common sites. We present a 64-year-old man who had multiple ...
Tutkun Engin - - 2013
Welder's lung disease is originated from a mixed exposure to different kinds of metals and chemicals from welding fumes. Due to this various harmful effects, irreversible morphological changes may occur on all parts of the respiratory tract, airways and lung parenchyma. Parenchymal changes are the main lesions that define the ...
Stevens Tyler - - 2013
Endoscopic ultrasonography (EUS) can be a useful tool for detecting underlying causes of acute pancreatitis and establishing the severity of fibrosis in chronic pancreatitis. Ancillary techniques include fine needle aspiration and core biopsy, bile collection for crystal analysis, pancreatic function testing, and celiac plexus block. This review focuses on the ...
Pederiva Federica - - 2013
Asymmetric vulva swelling during prepubertal period is related to a variety of inflammatory and neoplastic lesions. An 11-year-old girl with childhood asymmetric labium majus enlargement is presented.
Zhang Chen - - 2013
Crystal-storing histiocytosis is an uncommon form of nonneoplastic histiocytic proliferation that in most patients complicates an underlying lymphoproliferative or plasma cell disorder. Lung is a common site of involvement in patients with localized disease. We present an illustrative example from a 54-year-old woman with an asymptomatic solitary lung nodule. The ...
Fishero Brian A - - 2013
Hemangiopericytomas of the head and neck are rarely found in the parapharyngeal space. We report the case of a 53-year-old woman who presented with a globus sensation in her throat. Imaging detected a left submucosal oropharyngeal mass that extended into the prestyloid parapharyngeal space. The tumor was surgically excised en ...
Rawal S - - 2013
SUMMARY:Cystic parenchymal lesions may pose an important diagnostic challenge, particularly when encountered in unexpected locations. Dilated perivascular spaces, which may mimic cystic neoplasms, are known to occur in the inferior basal ganglia and mesencephalothalamic regions; a focal preference within the subcortical white matter has not been reported. This series describes ...
de Miguel Eugenio - - 2013
To know rheumatologists' opinion on the usefulness of ultrasound in diagnostic and therapeutic decision making as applied to rheumatic diseases. A National survey was sent to all rheumatology units in hospitals with at least 200 beds. The questionnaire included: a) general data, b) purpose and most common areas of ultrasound ...
Sa Young Jo - - 2013
Rib tumors are uncommon, constituting only 5% to 10% of all bony neoplasms. Cholesterol granuloma is also rare and is described as inflammatory granulation that occurs in response to the deposition of cholesterol crystals. Cholesterol granulomas are found most commonly in the paranasal sinuses or temporal bones, but there are ...
Krishnasamy Gopiraj - - 2013
In this article, we present a 75-year-old male with worsened nasal obstruction on the left side. Nasal endoscopy revealed bilateral grade 2 nasal polyps and a large polyp in the left posterior choana. postnasal space could not be viewed. Urgent computed tomography and magnetic resonance imaging revealed a lesion in ...
Lu Qiang - - 2013
To investigate the features of hepatic paragonimiasis on contrast-enhanced ultrasound (CEUS) imaging. Fifteen patients with hepatic paragonimiasis who were admitted to our hospital between March 2008 and August 2012 were enrolled to this study. The conventional ultrasound and CEUS examinations were performed with a Philips IU22 scanner with a 1-5-MHz ...
Courtney Philip - - 2013
Joint aspiration/injection and synovial fluid (SF) analysis are both invaluable procedures for the diagnosis and treatment of joint disease. This chapter addresses (1) the indications, technical principles, expected benefits and risks of aspiration and injection of intra-articular corticosteroid and (2) practical aspects relating to SF analysis, especially in relation to ...
Rane Swapnil - - 2013
Acute kidney injury is a common manifestation of malignancies, either directly by the tumor or indirectly from anticancer therapy. The pathologic correlates of acute kidney injury in malignancies are many and can be diagnosed conclusively using kidney biopsy. We report a rare case of a patient with light chain proximal ...
Passoni S - - 2013
Adrenal pseudocysts are rare lesions that develop within the adrenal glands, generally from vessel ectasia or from degenerative adenomas or hematomas. They are usually non-functional and asymptomatic. The reported potential malignant transformation of an adrenal cyst is ca. 7% and indicates radical excision of these masses. We report the case ...
Gelvez-Zapata Sandra - - 2013
Causes of benign emptying of the postpneumonectomy space include small bronchopleural fistulas with spontaneous healing and escape of fluid into the chest wall or diaphragm. We present an additional cause: severe dehydration. As postpneumonectomy empyema usually involves drainage of the pleural space, it is important to be aware of this ...
Kim Seong-Ha - - 2013
A ranula is a bluish, transparent, and thin-walled swelling in the floor of the mouth. They originate from the extravasation and subsequent accumulation of saliva from the sublingual gland. Ranulas are usually limited to the sublingual space but they sometimes extend to the submandibular space and parapharyngeal space, which is ...
Hoa M - - 2013
Background: Petrous apex cholesterol granulomas are expansile, cystic lesions containing cholesterol crystals surrounded by foreign body giant cells, fibrous tissue reaction and chronic inflammation. Appropriate treatment relies on an accurate radiological diagnosis and an understanding of the distinguishing radiological features of relevant entities in the differential diagnosis of this condition. ...
Jelsing Elena J - - 2013
Calcific rotator cuff tendinitis caused by symptomatic calcium hydroxyapatite crystal deposition is a well-established cause of shoulder pain. In refractory or acutely symptomatic cases, sonographically guided percutaneous lavage and aspiration can significantly reduce pain in approximately 60%-92% of cases. Although the complication rate of sonographically guided percutaneous lavage and aspiration ...
Dhakad Urmila - - 2013
A middle-aged male patient developed acute back pain and a lumbar vertebral lesion following trivial physical trauma. The lesion was considered as tuberculous on vertebral x-rays and MRI. After biopsy of the lesion and spinal fixation, the patient was kept on empirical antituberculous treatment (ATT) to which he did not ...
Gupta Manish - - 2013
The second branchial cleft cyst may arise anywhere from the tonsillar fossa to the supraclavicular area. It usually lies along the anterior border of the sternocleidomastoid muscle or deep into the muscle. Occurrence of the second branchial cleft cyst in the parapharyngeal space is extremely uncommon. We report one such ...
Spermon J - - 2013
Gouty arthritis is an inflammatory reaction as a result of monosodium urate crystal deposition in synovial fluid and periarticular soft tissue. It is the most common form of inflammatory arthritis with an estimated prevalence of 5 per 1000 in the USA. Clinical diagnosis is difficult and definite diagnosis with positive ...
Majumdar K - - 2013
Alveolar soft part sarcoma (ASPS) is a rare neoplasm of uncertain cell of origin. Known to occur in adolescents and young adults, this tumor usually involves the muscles and deep soft tissues of the extremities and trunk. Orbital localization is rare and not yet subjected to cytological assessment, as per ...
Hussain Kosar - - 2013
A previously healthy 27-year-old Nepalese man presented with a history of direct low-impact direct trauma to the left leg. An x-ray was performed in a private hospital and he was referred to our emergency department for the management of a possible foreign body in the left leg. X-ray of the ...
Suresh Ernest - - 2013
Acute monoarthritis is a common medical emergency with wide differential diagnosis. Common underlying causes include trauma, septic arthritis, crystal induced arthritis (gout and pseudogout), and reactive arthritis. Of these, septic arthritis is the diagnosis not to miss because of its association with significant morbidity and mortality. Precise diagnosis of the ...
Johnson Mahlon M Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, 601 Elmwood Ave. Box 626, Rochester, NY 14642, - - 2013
Crystal storing histiocytosis (CSH) is a disorder characterized by local or diffuse infiltration of histiocytes containing crystalline inclusions most commonly of immunoglobulin light chain. Involvement of the central nervous system is extremely rare. CSH may be misdiagnosed as an infection or tumor. In patients with involvement of other organs, it ...
Hamad Hamad M - - 2012
Pericardial cysts are rare benign congenital malformations, usually small, asymptomatic and detected incidentally on chest X-ray as a mass located in the right costophrenic angle. Giant pericardial cysts are very uncommon and produce symptoms by compressing adjacent structures. In this report, the authors present a case of a symptomatic giant ...
Tung Alvin H M - - 2012
A 74-year old chronic smoker was found to have a solitary 3cm RLL lung shadow on Chest radiograph following investigation of cough by his general practitioner. Occupational history revealed construction site work involving handling of concrete building materials for 50 years from the age of 25. Initial PET-CT demonstrated its ...
Stewart Campbell L - - 2012
Nail unit dermatopathology is a growing field filled with many challenges. Many advances in this field have been made in the last 5 years. This review article provides an update on new information and studies published in that period of time. We divided these works into different sections, including clinical ...
Ho Caleb - - 2012
Crystals and crystalloids may be seen in salivary glands in association with tumors and cysts. Rarely, crystalloids may lead to granulomatous reaction mimicking neoplasm and infectious diseases. We present the case of an 81-year-old man with right parotid gland swelling and a clinical and radiological diagnosis of tumor. A granulomatous ...
Jeantroux J - - 2012
Sentinel lesions are lesions of the bone or soft tissue, visible in standard X-rays carried out within a traumatic context, indicating bone or more severe capsular ligament lesions not visible on these X-rays. A detailed review of the peripheral joints as well as the spine is carried out with an ...
Roberts R - - 2012
We report a case of a 33-year-old nulliparous woman who, following a short prodromal illness, experienced a series of psychiatric and behavioural symptoms. These included states of terror, insomnia, delirium, self-harm and suicidal ideation, facial dyskinesias, verbigeration, cognitive impairment, reduced responsiveness, violence and paranoia. A diagnosis of anti-N-methyl-d-aspartate (NMDAR) encephalitis ...
Thomas Dani - - 2012
Malignant pleural mesothelioma is an uncommon cancer that commonly presents with a large unilateral bloody pleural effusion long after asbestos exposure. Its prevalence is decreasing with the decreasing exposure to asbestos in the United States. We present a patient with malignant pleural mesothelioma who underwent evaluation and treatment during medical ...
Argüder Emine - - 2012
Non-Hodgkin lymphoma generally affects the thorax in nearly half of the cases, but endobronchial non-Hodgkin lymphoma is rare. A 65-year-old man presented with refractory cough and progressive dyspnea on exertion of 2 months' duration. The patient denied fever, weight loss, or night sweats. A chest x-ray revealed bilateral lower lobe ...
Dholakia Yatin N YN The Foundation for Medical Research, Mumbai, - - 2012
The study was carried out in pulmonary tuberculosis (PTB) patients from the local Tuberculosis control programme, Mumbai, India. It examined features of chest X-rays and their correlation with clinical parameters for possible application in suspected multidrug resistant TB (MDRTB) and to predict outcome in new and treatment failure PTB cases. ...
Sahu Ritesh - - 2012
Foot-drop is a rare but important manifestation of intracranial pathologies ranging from space-occupying lesions to cerebrovascular accidents. Being most commonly associated with peripheral nerve lesions or radicular compressions, it remains an underappreciated feature of central-structural abnormalities. We describe an interesting case of a 14-year-old boy who had presented with acute ...
Nandeesh B N BN Department of Pathology, St. John's Medical College, Bangalore, 560034 - - 2014
Fine needle aspiration cytology of the salivary glands plays an important role in the diagnosis of neoplastic and non neoplastic lesions of salivary gland. Crystalloids in salivary gland lesions are a rare occurrence. A case of submandibular sialomegaly in an elderly patient with a clinical suspicion of metastasis was subjected ...
Tamagno Mauro - - 2011
A girl with vertically acquired HIV infection presented with a 6-month history of dyspnea and chest pain. Computed tomography of the thorax showed a heterogenous mass measuring 13 × 9 × 17 cm located in the anterior mediastinum. Complete surgical resection was accomplished with no complications. The final diagnosis was ...
Al-Kahiry Waiel - - 2012
The hematological malignancies (HM) are group of neoplasms that arise through malignant transformation of bone marrow derived cells. The great diversity seen in this group of disorders is a reflection of the complexity of normal hematopoiesis and the immune system. In the current study, the author retrospectively studied HM patients ...
Uruha Akinori - - 2011
We present a patient with sarcoidosis with an isolated intraparenchymal mass lesion that was similar to a glioma on magnetic resonance imaging. On fluid-attenuated inversion recovery images, a small hyperintense signal change in the right uncus was observed. Three months later, enlargement of the abnormal signal lesion was observed. An ...
Sibbald Matthew - - 2011
Medical Education 2011: 45: 415-421 Context  Clinical context may act as both an aid to decision making and a source of bias contributing to medical error. The effect of clinical history, a form of clinical context, on the diagnostic accuracy of the physical examination is unknown. Methods  We randomised internal ...
Minsart A F - - 2011
We present a very rare case of a neonatal multiple haemangiomatosis with a cystic interventricular cardiac haemangioma. An anechoic cyst of 10 mm of diameter, located in the superior third of the interventricular septum was found by foetal echocardiography at 30 weeks of pregnancy. The baby was born at 39 ...
Gross Andreas - - 2011
Bronchoscopic transbronchial fine needle aspiration of the mediastinum is generally known as a safe procedure. Complications such as pneumothorax, pneumomediastinum, major bronchial haemorrhage and significant bleeding after a major vessel puncture are rare events. We report the first case, to our knowledge, of life-threatening cardiac tamponade following transbronchial fine needle ...
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