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https://www.readbyqxmd.com/read/29915791/spindle-cell-pseudotumor-mimicking-malignancy-in-an-immunocompetent-patient-with-a-left-ventricular-assist-device
#1
Zahava C Farkas, Lavneet Chawla, Shalom Frager, Edward Esses, Yasmin Yusuf, Brad Dworkin
Cytomegalovirus (CMV)-induced pseudotumors, or mass-like lesions in the colon, are a rare entity. We report a case of CMV-related spindle cell pseudotumor in an immunocompetent patient with a left ventricular assist device. This case highlights the importance of considering CMV-induced inflammatory pseudotumor when evaluating tumorous lesions in the colon, as well as the importance of appropriate diagnostic work-up, including proper biopsy technique and meticulous review of the pathology.
2018: ACG Case Reports Journal
https://www.readbyqxmd.com/read/29904485/scrotal-sac-leiomyoma-case-report-of-a-rare-benign-scrotal-mass
#2
Titilope Aluko, Zachary Masi, Jeffrey Tomaszewski, Pauline Germaine
Leiomyomas are benign mesenchymal tumors, the overwhelming majority of which are located in the uterus. Rare cases arise in other organs, including the scrotum, pelvis, bladder, and spermatic cord. This report evaluates the case of a 37-year-old man with a history of prior left inguinal hernia repair, who presented with a painless right scrotal mass. He first noticed the mass approximately 1 year prior to his initial visit. Subsequent ultrasound of the scrotum demonstrated a 5-cm circumscribed, hypoechoic, mildly vascular extratesticular mass located within the right hemiscrotum...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29901644/hepatic-actinomycosis-with-immunoglobulin-g4-related-liver-disease-a-case-report
#3
Joo Hyung Lee, Hyung Sun Kim, Ji Sub Kim, Dong Ki Lee, Jin Hong Lim
RATIONALE: Immunoglobulin (Ig)G4-related pseudotumors of the liver are very rare diseases that are difficult to distinguish from malignant tumors. They can be usually improved by steroid therapy. Actinomycosis is a chronic, suppurative, granulomatous infection, for which immune suppression is a predisposing factor. It can also mimic malignant tumors. PATIENT CONCERNS: A 67-year-old man presented with mild abdominal discomfort and a 5-kg weight loss for 3 months...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29887405/-bilateral-pseudotumoral-proptosis-as-presenting-sign-of-orbital-hyper-igg4-related-disease
#4
J Brour, H Sassi, W Koubaa Mahjoub, M Ouederni, A Hassairi, A Chedly Debbiche, M Chéour
INTRODUCTION: Hyper-IgG4 syndrome is a rare cause of bilateral proptosis. It must always be considered after ruling out orbital lymphoma. CASE REPORT: We report a case of progressive bilateral proptosis for 4 years in a 34-year-old man. Orbital MRI showed an infiltrative process extending to the orbital fat, extraocular muscles and lacrimal glands. Lacrimal gland biopsy with immunohistochemical study showed a lymphoplasmocytic infiltrate rich in IgG4 and fibrosis...
June 7, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29875948/-renal-tumor-or-pseudotumoral-xanthogranulomatous-pyelonephritis
#5
Siham Alaoui Rachidi, Asmae Zeriouel
We here report the case of a 55 year-old man presenting with right renal colic and with a history of intermittent lower back disorders. At the time of admission, clinical examination showed lower back pain on contact. Renal ultrasound objectified heterogeneous mass at the lower pole of the right kidney with dilation of lower calyx groups. Abdominal CT scan confirmed the presence of right inferior renal polar lesion characterized by mixed density, associated with significant hydronephrosis eroding the renal parenchyma upstream of a voluminous pyelic coralliform lithiasis...
2018: Pan African Medical Journal
https://www.readbyqxmd.com/read/29870456/how-common-is-revision-for-adverse-reaction-to-metal-debris-after-total-hip-replacement-with-a-metal-on-polyethylene-bearing-surface-commentary-on-an-article-by-anders-persson-md-et-al-revision-for-symptomatic-pseudotumor-following-primary-total-hip-arthroplasty
#6
https://www.readbyqxmd.com/read/29870445/revision-for-symptomatic-pseudotumor-after-primary-metal-on-polyethylene-total-hip-arthroplasty-with-a-standard-femoral-stem
#7
Anders Persson, Thomas Eisler, Henrik Bodén, Ferid Krupic, Olof Sköldenberg, Olav Muren
BACKGROUND: Pseudotumor formation following total hip arthroplasty (THA) is a well-known complication mainly associated with metal-on-metal (MoM) bearings and taper corrosion on modular-neck femoral stems. The purpose of this study was to determine the prevalence of revision surgery for symptomatic pseudotumors in a large cohort of patients treated with primary THA with a standard stem and a non-MoM articulation. METHODS: We included 2,102 patients treated with a total of 2,446 THAs from 1999 until May 2016 in a prospective, observational cohort study...
June 6, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29869302/clinical-and-histopathologic-correlates-and-management-strategies-for-inflammatory-myofibroblastic-tumor-of-the-lung-a-case-series-and-review-of-the-literature
#8
REVIEW
Ala Eddin S Sagar, Carlos A Jimenez, Vickie R Shannon
Inflammatory myofibroblastic tumor (IMT) is a mesenchymal neoplasm that may arise in soft tissues of nearly every organ. Although IMTs are the most common lung tumors in pediatric populations, these tumors are extremely rare in adults, constituting less than 1% of adult lung tumors. IMTs are characterized by proliferating spindle cells with variable inflammatory component. The biological behavior of lung IMTs in adults is highly unpredictable, which confounds diagnosis and treatment. We retrospectively investigated patients with pulmonary lesions and the histopathologic diagnosis of inflammatory myofibroblastic tumor or its synonymous names (Plasma Cell Granuloma, xanthogranuloma, inflammatory pseudotumor, fibroxanthoma, and fibrous histiocytoma) at the MD Anderson Cancer Institute in the period between August 2000 and August 2016...
June 4, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29809325/pseudotumor-cerebri-syndrome-in-a-pregnant-woman-with-systemic-lupus-erythematous
#9
Mauricio Restrepo, Lilliana María Giraldo, Luisa Fernanda Montoya, Adriana Lucía Vanegas, Carlos Horacio Muñoz, Gloria María Vásquez, Luis Alonso González
Systemic lupus erythematous is a chronic multi-systemic autoimmune disease that affects multiple organ systems, including the central nervous system. Pseudotumor cerebri is a disorder associated with increased intracranial pressure in the absence of a space-occupying lesion or other identifiable cause that affects young and obese women.We present the case of a pregnant woman with both pseudotumor cerebri and a new diagnosis of active systemic lupus erythematous.
June 23, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29807790/physical-activity-is-associated-with-the-level-of-chromium-but-not-with-changes-in-pseudotumor-size-in-patients-with-metal-on-metal-hip-arthroplasty
#10
Mette H Hjorth, Inger Mechlenburg, Kjeld Soballe, Stig S Jakobsen, Lone Roemer, Maiken Stilling
BACKGROUND: Metal-on-metal (MoM) total hip arthroplasty (THA) and resurfacing hip arthroplasty (RHA) were previously considered an excellent option for young and physically active patients. However, the relationship between MoM THA/RHA patients' daily physical activity (PA), metal ion measurements of chromium and cobalt, and pseudotumor dynamic is insufficiently explored. METHODS: One hundred eleven patients with 148 hip articulations, 77 MoM THA/RHA and 71 MoP THA, participated in a prospective cohort study, with 5 cross-sectional analyses during a 1-year follow-up...
April 30, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29806294/-mid-term-effectiveness-of-large-head-metal-on-metal-total-hip-arthroplasty
#11
Chao Wang, Junying Sun, Ning Xu, Junjun Zha, Lei Wang
Objective: To explore the mid-term effectiveness of large-head metal-on-metal total hip arthroplasty (THA). Methods: A retrospective analysis was made on the clinical date of 40 patients (43 hips) who were treated with the large-head metal-on-metal THA between April 2009 and June 2010. There were 18 males (20 hips) and 22 females (23 hips) with an average age of 55.1 years (range, 20-85 years). Unilateral hip was involved in 37 cases and bilateral hips in 3 cases...
April 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29796052/pseudotumor-cerebri-syndrome-with-resolution-after-discontinuing-high-vitamin-a-containing-dietary-supplement-case-report-and-review
#12
Jason T Chisholm, Michelle M Abou-Jaoude, Amy B Hessler, Padmaja Sudhakar
A 24-year-old non-obese, but slightly overweight, female presented with a two-week history of progressive severe headache associated with two days of blurry vision. Clinical exam was significant for bilateral papilledema and an enlarged blind spot on visual field testing. Contrast enhanced MRI head revealed no space occupying lesion. A lumbar puncture revealed an elevated opening pressure of 38 cm H2 O with normal cerebrospinal fluid composition leading to a diagnosis of pseudotumor cerebri syndrome (PTCS)...
June 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/29787930/fibro-osseous-pseudotumor-of-digits-expanding-the-spectrum-of-clonal-transient-neoplasms-harboring-usp6-rearrangement
#13
Uta Flucke, Sarah J Shepard, Elise M Bekers, Roberto Tirabosco, Paul J van Diest, David Creytens, Joost M van Gorp
Fibro-osseous pseudotumors of the digits (FOPD) is a rare self-limiting lesion composed of bland looking hypercellular fibrous tissue and bone. USP6 rearrangement is a consistent genetic finding in aneurysmal bone cyst, nodular fasciitis, myositis ossificans and giant cell lesions of small bones. We report herein the occurrence of USP6 rearrangement in fibro-osseous pseudotumors of the digits using fluorescence in situ hybridization analysis (FISH). Of the five patients included, three were female and two were male...
May 12, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29785392/periosteal-pseudotumor-in-complex-total-knee-arthroplasty-resembling-a-neoplastic-process
#14
Madhav Chowdhry, Matthew V Dipane, Edward J McPherson
This case report describes in detail an erosive distal diaphyseal pseudotumor that occurred 6 years after a complex endoprosthetic hinge total knee arthroplasty (TKA). A female patient had conversion of a knee fusion to an endoprosthetic hinge TKA at the age of 62. At her scheduled 6-year follow-up, she presented with mild distal thigh pain and radiographs showing a 6-7 cm erosive lytic diaphyseal lesion that looked very suspicious for a neoplastic process. An en bloc resection of the distal femur and femoral endoprosthesis was performed...
May 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29780918/bariatric-surgery-and-its-impact-on-pseudotumor-cerebri-a-case-report
#15
Norberto Mancera, Michel M Murr, Mitchell Drucker
Purpose: Pseudotumor cerebri is a debilitating condition that causes severe headaches and progressive visual field loss. In this report, we present a patient with Class III obesity, with pseudotumor cerebri who failed medical management and attempted weight loss via diet and exercise. Observations: After undergoing bariatric surgery, the patient had significant weight loss and improvement of visual field defects. Conclusion and importance: These results suggest that bariatric surgery may be an effective option for patients with rapidly progressing visual loss due to pseudotumor cerebri...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29772988/combined-labeled-leukocyte-and-technicium-99-sulfur-colloid-bone-marrow-imaging-differentiating-primary-pyomyositis-pseudotumor-from-osteomyelitis-and-multiple-bone-infarcts
#16
Paul W Perdue, Allison B Spitzer, Dipal Chatterjee, Srinivas Kolla, Aditya V Maheshwari
A 53 year old-female patient with lupus had undergone a cephalo-medullary nailing for a femur shaft fracture 30 years ago. This was complicated by osteomyelitis, requiring multiple debridement procedures and hardware removal. Recently, she developed a painful soft tissue mass in the same region, which was ultimately diagnosed as pyomyositis. Because of chronic bone changes due to her past history, traditional imaging could not differentiate between osteomyelitis infarction and pseudotumor. A combined indium-labeled leukocyte scan with a technetium-99 sulfur colloid marrow scan ruled out osteomyelitis and guided proper treatment without osseous debridement and thus prevented unnecessary cross-contamination of the bone...
2018: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/29756721/-pseudotumor-cerebri-associated-with-hypovitaminosis-a-b6-and-d-about-two-cases
#17
Ana M Silva, José Méndez, Marisol Toma, Alejandra González, Federico Bois
Idiopathic endocranial hypertension is infrequently associated with hypovitaminosis A and D. The case of an 8-year-old female with 24-hour blurred vision and bilateral papilledema is presented. Nuclear magnetic resonance was normal. Opening pressure of cerebrospinal fluid: 260 mmH2O. She presented vitamin A and D deficiency and started replacement therapy. The second case corresponds to a 12-year-old male with fever and odynophagia of 3 days. History of glomerulonephritis and overweight. He had bipalpebral edema and papilledema...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29755523/hypophyseal-involvement-in-immunoglobulin-g4-related-disease-a-retrospective-study-from-a-single-tertiary-center
#18
Yang Liu, Linjie Wang, Wen Zhang, Hui Pan, Hongbo Yang, Kan Deng, Lin Lu, Yong Yao, Shi Chen, Xiaofeng Chai, Feng Feng, Hui You, Zimeng Jin, Huijuan Zhu
This study aims to outline the clinical features and outcomes of IgG4-related hypophysitis (IgG4-RH) patients in a tertiary medical center. We reviewed clinical manifestations and imaging and pituitary function tests at baseline, as well as during follow-up. Ten patients were included. The mean age at diagnosis of IgG4-RH was 48.4 (16.0-64.0) years. An average of 3 (0-9) extrapituitary organs were involved. Five patients had panhypopituitarism, three had only posterior hypopituitarism, one had only anterior hypopituitarism, and one had a normal pituitary function...
2018: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29753572/clinical-and-prognostic-significance-of-cerebrospinal-fluid-opening-and-closing-pressures-in-pediatric-pseudotumor-cerebri-syndrome
#19
Shannon J Beres, Claire A Sheldon, Chantal J Boisvert, Christina L Szperka, Grace L Paley, Evanette K Burrows, Marianne R Chilutti, Geraldine W Liu, Shana E McCormack, Grant T Liu
BACKGROUND: The purpose of this study was to determine the prognostic utility of closing pressure and volume of cerebrospinal fluid removed with respect to papilledema resolution and headache improvement in pediatric pseudotumor cerebri syndrome. METHODS: This is a retrospective observational study of 93 children with definite pseudotumor cerebri syndrome. The primary outcome measure was time to resolution of papilledema, and the secondary outcome measure was time to resolution of headache...
March 30, 2018: Pediatric Neurology
https://www.readbyqxmd.com/read/29749912/comparative-durability-and-costs-analysis-of-ventricular-shunts
#20
Nitin Agarwal, Ahmed Kashkoush, Michael M McDowell, William R Lariviere, Naveed Ismail, Robert M Friedlander
OBJECTIVE Ventricular shunt (VS) durability has been well studied in the pediatric population and in patients with normal pressure hydrocephalus; however, further evaluation in a more heterogeneous adult population is needed. This study aims to evaluate the effect of diagnosis and valve type-fixed versus programmable-on shunt durability and cost for placement of shunts in adult patients. METHODS The authors retrospectively reviewed the medical records of all patients who underwent implantation of a VS for hydrocephalus at their institution over a 3-year period between August 2013 and October 2016 with a minimum postoperative follow-up of 6 months...
May 11, 2018: Journal of Neurosurgery
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