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https://www.readbyqxmd.com/read/29237964/myeloid-sarcoma-a-clinicopathological-study-with-emphasis-on-diagnostic-difficulties
#1
Ranjini Kudva, Vidya Monappa, Girish Solanke, Manna Valiathan, Anuradha C K Rao, V Geetha
BACKGROUND: Myeloid sarcoma (MS) is a rare tumor composed of proliferation of myeloid precursors at extramedullary sites. They can arise de-novo or in association with hematological malignancies, most commonly acute myeloid leukemia. Clinically, it can masquerade as an abscess, cutaneous ulcer, or mass lesion. Morphologically, MS can mimic a variety of small round cell tumors including lymphomas and rhabdomyosarcoma. AIMS: (1) To study the clinical presentations and laboratory findings in patients with MS; (2) to revisit the histomorphological findings and the differential diagnosis of MS; (3) to evaluate the diagnostic role of immunohistochemistry (IHC) and determine the useful markers for accurate diagnosis of MS...
October 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29221181/analysis-of-ctcl-cell-lines-reveals-important-differences-between-mycosis-fungoides-s%C3%A3-zary-syndrome-vs-htlv-1-leukemic-cell-lines
#2
Elena Netchiporouk, Jennifer Gantchev, Matthew Tsang, Philippe Thibault, Andrew K Watters, John-Douglas Matthew Hughes, Feras M Ghazawi, Anders Woetmann, Niels Ødum, Denis Sasseville, Ivan V Litvinov
HTLV-1 is estimated to affect ~20 million people worldwide and in ~5% of carriers it produces Adult T-Cell Leukemia/Lymphoma (ATLL), which can often masquerade and present with classic erythematous pruritic patches and plaques that are typically seen in Mycosis Fungoides (MF) and Sézary Syndrome (SS), the most recognized variants of Cutaneous T-Cell Lymphomas (CTCL). For many years the role of HTLV-1 in the pathogenesis of MF/SS has been hotly debated. In this study we analyzed CTCL vs. HTLV-1+ leukemic cells...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220200/a-practical-approach-to-severe-asthma-in-children
#3
Emily E Barsky, Lauren M Giancola, Sachin N Baxi, Jonathan M Gaffin
Severe asthma accounts for only a small proportion of the children with asthma, but a disproportionately high amount of resource utilization and morbidity. It is a heterogeneous entity and requires a step-wise, evidence based approach to evaluation and management by pediatric subspecialists. The first step is to confirm the diagnosis by eliciting confirmatory history and objective evidence of asthma and excluding possible masquerading diagnoses. The next step is to differentiate difficult-to-treat asthma, asthma which can be controlled with appropriate management, from asthma which requires the highest level of therapy to maintain control or remains uncontrolled despite management optimization...
December 8, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29217806/synovial-arteriovenous-malformation-masquerading-as-arthritis
#4
Pooja Prakash Mallya, Anand Prahalad Rao
BACKGROUND: Synovial arteriovenous malformation is rare. CASE CHARACTERISTICS: We present three children with recurrent monoarthritis secondary to synovial arteriovenous malformation. OUTCOME: Two children underwent excision of arteriovenous malformation. Another child had diffuse arteriovenous malformation, which was inoperable. MESSAGE: Synovial arteriovenous malformations should be considered in the differential diagnosis of monoarthritis, especially of the knee...
November 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/29208852/extremely-high-serum-ferritin-an-instrumental-marker-of-masquerading-adult-onset-still-s-disease-with-hemophagocytic-syndrome
#5
Shun Yamashita, Naoko E Furukawa, Tomoyo Matsunaga, Yuka Hirakawa, Masaki Tago, Shu-Ichi Yamashita
BACKGROUND Adult-onset Still's disease (AOSD) is a rare multi-systemic inflammatory disorder of unknown etiology characterized by spiking fever, characteristic rash, and arthritis. It often associates with high serum ferritin levels. CASE REPORT An 88-year-old woman had fever of over 39°C without response to extended-spectrum antibiotics for 6 days. She had non-specific erythema with infiltration on her trunk. She had leukocytosis with neutrophilia of 80%, mild hepatic dysfunction, normal level of rheumatoid factor and antinuclear antibody, thrombocytopenia, elevated d-dimer and soluble interleukin2 receptor, extremely high serum ferritin (78 662 ng/mL), and splenomegaly...
December 6, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29207974/spectrum-of-mutations-in-monogenic-diabetes-genes-identified-from-high-throughput-dna-sequencing-of-6888-individuals
#6
Vikas Bansal, Johann Gassenhuber, Tierney Phillips, Glenn Oliveira, Rebecca Harbaugh, Nikki Villarasa, Eric J Topol, Thomas Seufferlein, Bernhard O Boehm
BACKGROUND: Diagnosis of monogenic as well as atypical forms of diabetes mellitus has important clinical implications for their specific diagnosis, prognosis, and targeted treatment. Single gene mutations that affect beta-cell function represent 1-2% of all cases of diabetes. However, phenotypic heterogeneity and lack of family history of diabetes can limit the diagnosis of monogenic forms of diabetes. Next-generation sequencing technologies provide an excellent opportunity to screen large numbers of individuals with a diagnosis of diabetes for mutations in disease-associated genes...
December 6, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29207774/a-diagnostic-surprise-for-a-right-iliac-fossa-mass-a-perforated-ileal-gastrointestinal-stromal-tumour
#7
J Sanjay Prakash, Anita Samraj, G Sabarish Kumar, R Vijai
Gastrointestinal Stromal Tumours (GISTs) are tumours of the gut found mostly in stomach and small intestine. The complications are Gastrointestinal (GI) bleeding, obstruction, pain and rarely perforation. We are reporting an abnormal presentation of GIST masquerading as an acute abdomen with Right Iliac Fossa (RIF) mass in 60-year-old lady. Contrast Enhanced Computed Tomography (CECT) of abdomen revealed a peripherally enhancing encapsulated abscess in RIF in close contact with base of caecum and adjacent peritonitis suggesting caecal perforation...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29206716/primary-epithelioid-angiosarcoma-of-finger-masquerading-as-epithelioid-hemangioma-report-of-a-case-and-analysis-of-mutational-pattern-in-epithelioid-hemangiomas-and-angiosarcomas-by-next-generation-sequencing
#8
Manish M Subramaniam, Nur L Salleh, Bingcheng Wu, Michelle A Rozario, HueyJin Lim, Mark E Puhaindran, Richie Soong, Victor K Lee
AIMS: We report an unusual case of epithelioid angiosarcoma (AS) mimicking an epithelioid hemangioma (EH) and analyze mutational patterns in EHs and ASs. METHODS AND RESULTS: A 58-year-old woman presented with a finger lump and metastatic lung nodules. Initial needle biopsies showed an EH, with only focal atypical histologic features. The patient underwent finger amputation and resection of lung nodules. The amputation specimen and lung nodules revealed features of AS...
January 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29204240/a-rare-case-of-diffuse-neurofibroma-masquerading-as-a-hemangioma-a-radiological-perspective
#9
Shaista Siddiqui, Zafar Ahmad Khan, Shagufta Wahab, Kafil Akhtar, Farhat Huma Ansari, Nani Lampung
Diffuse neurofibroma is a rarely encountered subtype of neurofibroma but the most common to be misdiagnosed. Its imaging appearance is very similar to that of a vascular malformation, and it is often labelled one until a biopsy proves it to be otherwise. The infrequency of its association with neurofibromatosis makes it a rare and difficult diagnosis. Here, we report the case of a 16-year-old girl who presented with the complaint of a gradually progressive swelling around the right ankle and heel, which was initially diagnosed as a case of a vascular malformation...
December 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/29203187/paratesticular-liposarcoma-masquerading-as-an-inguinal-hernia
#10
Kerry L Thomas, Ricardo J Gonzalez, Evita Henderson-Jackson, Jamie T Caracciolo
A man with left scrotal swelling felt to represent inguinal hernia underwent CT scan for reported bleeding after prostate biopsy. CT scan revealed a 15 cm extratesticular left scrotal mass containing both fat and soft tissue components, raising concern for dedifferentiated liposarcoma. At surgery and pathology, the mass was separate from the left testis, epididymis, and spermatic cord. Histopathologic findings were consistent with paratesticular dedifferentiated liposarcoma.
December 1, 2017: Urology
https://www.readbyqxmd.com/read/29202351/psoas-abscess-masquerading-as-a-prosthetic-hip-infection-a-case-report
#11
Muhammad Atif, Azeem Tariq Malik, Shahryar Noordin
INTRODUCTION: Psoas abscess is an unusual condition and is defined as a collection of pus in the iliopsoas compartment. Due to the unique anatomy of psoas muscle it forms a conduit for spread of infection from upper part of body to hip joint in neglected cases. CASE PRESENTATION: A 67year old lady presented with left groin pain for three weeks. She underwent an uncemented unipolar hemiarthoplasty eight years back. Currently, she developed fever and was unable to do any active left hip range of motion...
December 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29200693/pilomatrix-carcinoma-masquerading-as-breast-carcinoma
#12
Trupti Pai, Shweta R Harwani, Asawari Patil, Ayushi Sahay, Tanuja Shet, Vani Parmar, Tabassum Wadasadawala, Sangeeta B Desai
Pilomatrix carcinoma is an exceedingly rare skin adnexal neoplasm derived from piliferous follicles, usually occurring in the head and neck region. Localization of this tumor in the breast is a rarity. We now report an unusual case of a 49-year-old female who presented with a palpable mass in the left breast for 2 years. Mammogram revealed a large, lobulated opacity with calcification, and positron emission tomography-computed tomography showed a metabolically active soft tissue mass measuring 15 cm involving all the quadrants of the left breast...
July 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29197847/perforated-neuroenteric-cyst-masquerading-as-congenital-pulmonary-airway-malformation
#13
Sreekar Gundapaneni, Vishesh Jain, Shilpa Sharma, Devendra Kumar Gupta
A 3-month-old child was presented with haemoptysis with respiratory distress. Imaging was suggestive of a cavitary lesion in the lung with surrounding consolidation. Diagnosis of a primary lung pathology like congenital pulmonary airway malformation was considered. Based on clinical suspicion and prior experience, a Tc-99m pertechnetate radionuclide study was performed, which clinched the diagnosis of foregut duplication cyst. Intraoperative findings confirmed the presence of a neuroenteric cyst. The child remains asymptomatic on follow-up awaiting neurosurgical intervention for the intraspinal component of the cyst...
December 2, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29191538/collet-sicard-syndrome-attributable-to-extramedullary-plasmacytoma-of-the-jugular-foramen
#14
Soliman Oushy, Christopher S Graffeo, Avital Perry, Jonathan M Morris, Matthew L Carlson, Jamie J Van Gompel
BACKGROUND: Collet-Sicard syndrome is a rare manifestation of skull base disease involving the jugular and hypoglossal foramina. We report the first case of Collet-Sicard attributable to extramedullary plasmacytoma-multiple myeloma (EP-MM), as well as the second case of EP-MM precipitating a jugular foramen syndrome (JFS)-spectrum disorder. CASE DESCRIPTION: A fifty-nine-year-old woman presented with 4-months of left aural fullness and pulsatile tenderness, positional vertigo, hoarseness, and dysphagia...
November 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29188160/severe-hyperthyroidism-masquerading-as-acute-bulbar-weakness
#15
Rena D Sukhdeo, Christopher Jackson, Cyrilyn Walters, Aneel Kumar
The stroke occurs in nearly 800,000 patients per year in the United States with significant morbidity if not treated and managed in a time sensitive manner. Acute bulbar weakness can be a common presenting manifestation of acute stroke and transient ischemic attack. However, up to 30% of the patients presenting with symptoms concerning for stroke could be displaying a disease process that mimics the stroke. These disorders include hypoglycemia, seizures, complicated migraines, and endocrinopathies such as thyroid disease...
September 27, 2017: Curēus
https://www.readbyqxmd.com/read/29186063/structural-masquerade-of-plesiomonas-shigelloides-strain-cnctc-78-89-o-antigen-high-resolution-magic-angle-spinning-nmr-reveals-the-modified-d-galactan-i-of-klebsiella-pneumoniae
#16
Karolina Ucieklak, Sabina Koj, Damian Pawelczyk, Tomasz Niedziela
The high-resolution magic angle spinning nuclear magnetic resonance spectroscopy (HR-MAS NMR) analysis of Plesiomonas shigelloides 78/89 lipopolysaccharide directly on bacteria revealed the characteristic structural features of the O-acetylated polysaccharide in the NMR spectra. The O-antigen profiles were unique, yet the pattern of signals in the, spectra along with their ¹H,13C chemical shift values, resembled these of d-galactan I of Klebsiella pneumoniae. The isolated O-specific polysaccharide (O-PS) of P...
November 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29181991/chest-wall-resection-and-reconstruction-for-rosai-dorfman-disease-masquerading-as-a-chest-wall-sarcoma
#17
V Joshi, G Offer, C Richards, S Rathinam
Rosai-Dorfman disease (RDD) is a rare benign histiocytic proliferative disease that can present as a pseudotumour of soft tissue. We describe the first chest wall resection and reconstruction.
November 28, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29181765/periorbital-actinomycosis-masquerading-as-a-cutaneous-malignancy
#18
Tarjani Vivek Dave, Avinash Pathengay, Rajeev Reddy Pappuru
No abstract text is available yet for this article.
November 27, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29181182/solitary-nodule-of-angiolymphoid-hyperplasia-with-eosinophilia-of-the-back-masquerading-as-pyogenic-granuloma
#19
Shu-Lin Li, Jian-De Han
Angiolymphoid hyperplasia with eosinophilia (ALHE) is a rare chronic inflammatory disorder of unknown etiology that most commonly presents as painless lymphadenopathy or subcutaneous masses in the head and neck region. The pathogenesis of the disease is not yet clear. The differential diagnosis is determined using characteristic histological features, such as significant vascular proliferation, lymphocytes and eosinophil inflammation in the dermis. Here is presented the case of a patient with a solitary nodule of ALHE masquerading as pyogenic granuloma (PG)...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29172335/facial-palsy-masquerading-as-an-acute-dental-abscess
#20
Arif Razzak, Frances O’Leary, Nabeela Ahmed
Facial nerve palsy has specific symptomology, but varied aetiology. Prompt and thorough assessment is required to ascertain if upper or lower motor neurone damage has occurred. This report discusses a 6-year-old female, presenting in the Emergency Department with unilateral facial weakness. Initially thought to be facial swelling relating to her carious dentition, clinical assessment from the maxillofacial team identified that the patient had a unilateral facial palsy, later diagnosed as Bell’s palsy. Her delayed presentation was due to initial misdiagnoses in primary care...
March 2017: Dental Update
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