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https://www.readbyqxmd.com/read/28614386/a-systemic-macrophage-response-is-required-to-contain-a-peripheral-poxvirus-infection
#1
Michael L Davies, Nikhil J Parekh, Lauren W Kaminsky, Chetna Soni, Irene E Reider, Tracy E Krouse, Matthew A Fischer, Nico van Rooijen, Ziaur S M Rahman, Christopher C Norbury
The goal of the innate immune system is to reduce pathogen spread prior to the initiation of an effective adaptive immune response. Following an infection at a peripheral site, virus typically drains through the lymph to the lymph node prior to entering the blood stream and being systemically disseminated. Therefore, there are three distinct spatial checkpoints at which intervention to prevent systemic spread of virus can occur, namely: 1) the site of infection, 2) the draining lymph node via filtration of lymph or 3) the systemic level via organs that filter the blood...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28562391/pierpont-syndrome-report-of-a-new-patient
#2
Anne-Karin Kahlert, Sabine Weidensee, Luisa Mackenroth, Joseph Porrmann, Andreas Rump, Nataliya Di Donato, Evelin Schröck, Andreas Tzschach
Pierpont syndrome (OMIM #602342) is a rare disorder characterized by developmental delay, characteristic facial gestalt, hearing loss, and abnormal fat distribution in the distal limbs. A specific mutation in TBL1XR1 [c.1337A>G; p.(Tyr446Cys)] has been described recently in six unrelated patients with Pierpont syndrome. We report on a male child with developmental delay, distinctive facial dysmorphic features, dystrophy, and abnormal fat distribution in the feet, in whom we identified the identical TBL1XR1 mutation...
May 30, 2017: Clinical Dysmorphology
https://www.readbyqxmd.com/read/28538742/epidemiologic-and-clinical-features-of-hidradenitis-suppurativa
#3
Isha Parulkar, Heba Haleem, So Yeon Paek
Hidradenitis suppurativa (HS) is an inflammatory condition characterized by recurrent abscesses which may result in sinus tracts and dermal scarring. This article reviews current epidemiologic data on HS in diverse populations, including prevalence based on geography, age, gender, ethnicity, and details the spectrum of clinical features of hidradenitis suppurativa with discussion of disease severity and risk factors. Recently proposed HS diagnostic criteria are also presented.
June 2017: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28448267/endogenous-thymosin-%C3%AE-4-expression-in-sacrococcygeal-pilonidal-sinus-disease-a-retrospective-immunohistochemical-analysis-of-excisional-skin-biopsy-samples
#4
Sevinc Sahin
Thymosin beta 4 (Tβ4) is a peptide that has been shown in dermal, corneal, and cardiac preclinical injury models to potentially affect tissue protection, regeneration, and repair. Sacrococcygeal pilonidal sinus disease (SPSD) is a chronic inflammatory disorder associated with a high incidence of recurrence, chronic fistulation, and a challenging postoperative surgical wound healing process. Retrospectively, an immunohistochemical analysis was conducted to evaluate endogenous Tβ4 expression in excisional skin biopsies from patients with SPSD...
April 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28381141/rare-inverted-verrucous-carcinoma-carcinoma-cuniculatum-of-the-sacrogluteal-region
#5
David John Tobias McArdle, John Patrick McArdle, Frances Lee, Emilio Dino Mignanelli
A 49-year-old woman with a past history of several infundibular cysts in the head and neck region presented with a 6-month history of a nonhealing perianal abscess on a background of 13 years of chronic sacral-buttock abscesses and discharging sinuses as part of hidradenitis suppurativa. After 2 surgical procedures and inadequate healing, a wide local excision was performed. The surgical specimen revealed an extensive, infiltrating, cystic and deeply penetrating, dermal and subcutaneous neoplasm with multiple fistulous tracts extending to the skin surface...
February 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28379223/in-vitro-nasal-mucosa-gland-like-structure-formation-on-a-chip
#6
Kyuhwan Na, Mingyu Lee, Hyun-Woo Shin, Seok Chung
The emergence of microfluidic epithelial models using diverse types of cells within a physiologically relevant microenvironment has the potential to be a powerful tool for preclinical drug screening and pathophysiological studies. However, to date, few studies have reported the development of a complicated in vitro human nasal epithelial model. The aim of this study was to produce an in vitro human nasal mucosa model for reliable drug screening and clinical applications. Here, we integrated and optimized several culture conditions such as cell type, airway culture conditions, and hydrogel scaffolds into a microfluidic chip to construct an advanced in vitro human nasal mucosa model...
May 2, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28362184/surveillance-survey-of-family-history-in-children-with-neural-tube-defects
#7
Esther B Dupépé, Daxa M Patel, Brandon G Rocque, Betsy Hopson, Anastasia A Arynchyna, E Ralee' Bishop, Jeffrey P Blount
OBJECTIVE Although there are known risk factors for the development of neural tube defects (NTDs), little is known regarding the role of family history. The authors' goal in this study is to describe the family history in their population of patients with NTDs. METHODS Surveys were completed for 254 patients who were accompanied by their biological mother during their annual visit to the multidisciplinary Spina Bifida Clinic at Children's of Alabama. An NTD has been diagnosed in all patients who are seen in this clinic (myelomeningocele, lipomeningocele, split cord malformation, and congenital dermal sinus tract)...
March 31, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28346651/breast-cancer-metastases-to-the-head-and-neck-case-series-and-literature-review
#8
Jeremiah C Tracy, Nicholas R Mildenhall, Richard O Wein, Miriam A O'Leary
Breast cancer is the most common cancer in women and is the second most common cause of cancer-related death. Despite the relatively high prevalence of this disease, breast cancer manifestations in the head and neck are relatively rare. Supraclavicular lymphadenopathy and bony metastases to the mandible and maxilla are the most common manifestation of breast cancer in the head and neck. Head and neck metastases are the first presentation of distant disease in approximately one-third of cases. The prognosis of breast cancer with distant metastases to the head and neck is generally poor, and the management of these lesions is controversial...
March 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28329607/multiple-mucocutaneous-ulcers-associated-with-cocaine-induced-midline-destructive-lesions
#9
Brittany Blaise, Lucinda Buescher, Morgan L Wilson
Cocaine-induced midline destructive lesions (CIMDL) occur in a small subset of cocaine users, who clinically present with inflammation and necrosis of facial midline structures such as the palate, nasal septum, turbinates, and sinuses. We present a patient with CIMDL occurring concomitantly with ulcers on the cheek and upper trunk. Multiple biopsy specimens from the cutaneous and mucosal lesions consistently showed a dense dermal/submucosal infiltrate of neutrophils and plasma cells, without vasculitis or thrombosis...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28226087/cervical-spinal-dermal-sinus-associated-with-intramedullary-spinal-cord-abscess
#10
Bernardo Carvalho Muniz, Bruno Niemeyer de Freitas Ribeiro, Gabriel Mufarrej, Nina Ventura Wilner, Emerson Leandro Gasparetto
No abstract text is available yet for this article.
February 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/27922966/local-coverage-for-acute-severely-herniated-brain-using-scalp-and-forehead-flaps-in-a-pediatric-patient-with-head-trauma
#11
Matthew Brown, Navid Pourtaheri, Kristopher Katira, Sunil Manjila, Ali S Totonchi
A 4-year-old-boy required emergent craniectomy and drainage of a large right-sided acute subdural hematoma after head trauma, during which massive sinus hemorrhage with brain swelling occurred. Acute intraoperative management entailed dural cover using synthetic dural membrane substitute and scalp coverage over the herniated brain using acellular dermal matrix. After intensive monitoring and control of raised intracranial pressure over the next few days, the exposed brain was then covered by scalp and forehead flaps with cadaveric skin grafting to the donor site...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27911245/use-of-magnetic-resonance-imaging-to-detect-occult-spinal-dysraphism-in-infants
#12
Brent R O'Neill, Danielle Gallegos, Alex Herron, Claire Palmer, Nicholas V Stence, Todd C Hankinson, C Corbett Wilkinson, Michael H Handler
OBJECTIVE Cutaneous stigmata or congenital anomalies often prompt screening for occult spinal dysraphism (OSD) in asymptomatic infants. While a number of studies have examined the results of ultrasonography (US) screening, less is known about the findings when MRI is used as the primary imaging modality. The object of this study was to assess the results of MRI screening for OSD in infants. METHODS The authors undertook a retrospective review of all infants who had undergone MRI of the lumbar spine to screen for OSD over a 6-year period (September 2006-September 2012)...
February 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27857795/delayed-intramedullary-abscess-in-operated-case-of-spinal-lipoma
#13
Kamlesh Singh Bhaisora, Chaitanya Godbole, Kuntal Kanti Das, Anant Mehrotra, Shardhara Jayesh, Rabi Narayan Sahu, Sanjay Behari, Arun Kumar Srivastava, Awadhesh Kumar Jaiswal
Intramedullary abscess is a rare condition with high rate of mortality and morbidity. We are presenting a case of delayed intramedullary abscess in an operated case of spinal lipoma, after 2 years of primary surgery. To best of our knowledge this only second case of intramedullary abscess in a case of spinal lipoma without dermal sinus.
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27765739/limited-dorsal-myeloschisis-and-congenital-dermal-sinus-comparison-of-clinical-and-mr-imaging-features
#14
S M Lee, J-E Cheon, Y H Choi, I-O Kim, W S Kim, H-H Cho, J Y Lee, K-C Wang
BACKGROUND AND PURPOSE: While limited dorsal myeloschisis is a distinctive form of spinal dysraphism, it may be confused with congenital dermal sinus. The aim of this study was to describe clinical and MR imaging findings of limited dorsal myeloschisis that can distinguish it from congenital dermal sinus. MATERIALS AND METHODS: We retrospectively reviewed the clinical and MR imaging findings of 12 patients with limited dorsal myeloschisis and 10 patients with congenital dermal sinus...
October 20, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27635168/case-report-pseudotail-with-dermal-sinus-tract-and-tethered-cord
#15
Paul Clark, Laurence Davidson
A pseudotail is a very rare, dermal appendage arising from the lumbosacral region with an association with spinal dysraphism. We report a case of a pseudotail in a healthy newborn female with sonographic imaging of a tethered cord and dermal sinus tract with MRI and surgical correlation.
September 2016: Journal of Ultrasound
https://www.readbyqxmd.com/read/27606030/paired-discharging-sinuses-at-medial-canthus-of-left-eye-and-dorsum-of-nose-in-a-2-year-toddler-since-birth-associated-with-interfalcial-dermoid
#16
Guru Dutta Satyarthee, Nitin Verma, A K Mahapatra
Twin nasal dermal sinus with associated intracranial dermoid located in interfalcial region is a very rare occurrence and is reported only in the occipital and temporal regions. However, multiple sinuses located in the canthus and dorsum of nose are not reported till date. Authors report an interesting first case of interfalcial dermoid cyst associated with twin discharging dermal sinuses, who underwent successful surgical repair in the world literature. The authors report the management of an unusual case and the review has been discussed briefly...
April 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27548103/follicle-microstructure-and-innervation-vary-between-pinniped-micro-and-macrovibrissae
#17
Erin E Mattson, Christopher D Marshall
Histological data from terrestrial, semiaquatic, and fully aquatic mammal vibrissa (whisker) studies indicate that follicle microstructure and innervation vary across the mystacial vibrissal array (i.e. medial microvibrissae to lateral macrovibrissae). However, comparative data are lacking, and current histological studies on pinniped vibrissae only focus on the largest ventrolateral vibrissae. Consequently, we investigated the microstructure, medial-to-lateral innervation, and morphometric trends in harp seal (Pagophilus groenlandicus) vibrissal follicle-sinus complexes (F-SCs)...
2016: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/27541864/limited-dorsal-myeloschisis-associated-with-dermoid-elements
#18
Sebastian Eibach, Greg Moes, John Zovickian, Dachling Pang
INTRODUCTION: Limited dorsal myeloschisis (LDM) originates from undisjointed neural and cutaneous ectoderms during primary neurulation. Its hallmark is a fibroneural stalk causing tethering on the dorsal spinal cord rostral to the conus. Its treatment is a relatively straightforward resection of the LDM stalk from the spinal cord. METHODS AND RESULTS: On reviewing our series of 75 cases of LDMs, we found that the majority of LDM stalks have only a glioneuronal core within a fibrous stroma, but a small number have been found to have elements of dermoid cyst or a complete dermal sinus tract either contiguous with the fibroneural stalk or incorporated within its glial matrix, not surprising considering the original continuum of cutaneous and neural ectoderm in LDMs' embryogenesis...
January 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27538005/hidradenitis-suppurativa-review-of-the-pathogenesis-and-treatment
#19
REVIEW
Anna Kurayev, Huda Ashkar, Ami Saraiya, Alice B Gottlieb
Hidradenitis suppurativa (HS) is a chronic inflammatory disease characterized by significant morbidity. The clinical course of HS ranges from relatively mild cases characterized by recurrent tender, subcutaneous, inflammatory nodules to severe cases demonstrating painful, deep dermal abscesses, fibrosis, draining sinuses, and hypertrophic scars. Conventional treatment options for management of HS include topical and systemic antibiotics, antiandrogens, fumarates, biguanides, retinoids, immunosuppressive drugs, laser and phototherapy, and surgical excision...
August 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/27529968/-pediatric-patient-with-anaerobic-bacterial-meningitis-who-was-infected-through-a-spinal-congenital-dermal-sinus-route
#20
Hideyuki Okui, Chie Fukasawa, Shoko Tokutake, Haruka Takei, Junichi Sato, Tadashi Hoshino
We report the case of a pediatric patient in whom a spinal congenital dermal sinus was detected after the onset of anaerobic bacterial meningitis. The patient was a 4-month-old boy. He had a recurrent fever for 2 weeks before admission. On admission, he presented with a convulsive status and a bulging anterior fontanel. The previously consulted physician had made a diagnosis of bacterial meningitis. Spinal fluid cultures tested positive for Peptoniphilus asaccharolyticus. Magnetic resonance imaging (MRI) showed a spinal subdural abscess and cranial subdural hydrops; therefore, the patient was transported to our hospital for surgical treatment...
May 2016: Kansenshōgaku Zasshi. the Journal of the Japanese Association for Infectious Diseases
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