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Von Recklinghausen

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https://www.readbyqxmd.com/read/28163183/a-femoral-common-vein-aneurysm-in-a-patient-with-neurofibromatosis-syndrome-type-1
#1
C Seinturier, S Blaise, F Thony, J L Magne, G Pernod
Neurofibromatosis type I (NFI), also called Von Recklinghausen disease, is an autosomal dominant disease secondary to a genetic mutation on the long arm of chromosome 17. This disorder affects neural crest cells. Cutaneous clinical forms are the most frequent with multiple benign skin neurofibromas, associated with café au lait skin spots and iris hamartomas. Vascular abnormalities in NF1 are rare but have also been well described. The most frequent abnormalities are characterized by arterial aneurysm degeneration, stenosis, and malformations...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28133323/-neuroendocrine-tumor-of-the-ampulla-of-vater-and-gastrointestinal-stromal-tumor-of-the-duodenum-in-a-patient-with-von-recklinghausen-s-disease
#2
Yasufumi Yamada, Shunichi Shiozawa, Takebumi Usui, Kotaro Kuhara, Teppei Kouno, Shinichi Asaka, Kentaro Yamaguchi, Hazime Yokomizo, Takeshi Shimakawa, Kazuhiko Yoshimatsu, Takao Katsube, Yoshihiko Naritaka
A 57-year-old woman with von Recklinghausen's disease presented with epigastralgia. Gastroduodenoscopy revealed swelling of the ampulla of Vater in the ventral and caudal direction, forming a hard, elastic mass. She was diagnosed with a tumor of the ampulla of Vater, and a subtotal stomach-preserving pancreaticoduodenectomy and D2 lymph node dissection were performed. The isolated specimen showed an intra-ampullary tumor of the ampulla of Vater and a submucosal tumor in the descending duodenum, which were diagnosed as a somatostatin-producing neuroendocrine tumor and gastrointestinal stromal tumor, respectively, on pathological examination...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133209/-a-case-of-primary-poorly-differentiated-small-cell-carcinoma-of-the-breast-in-a-patient-with-von-recklinghausen-s-disease
#3
Kazunoshin Tachibana, Noriko Abe, Sadahiko Abe, Keita Aoto, Maiko Okano, Fumi Murakami, Satoshi Kawana, Osamu Suzuki, Kazuhiro Tasaki, Tohru Ohtake, Seiichi Takenoshita
We report a case of neuroendocrine carcinoma and poorly differentiated/small cell carcinoma ofthe breast in a patient with von Recklinghausen's disease. The patient was a 46-year-old woman who was diagnosed with von Recklinghausen's disease when she was 22 years old. She presented with left breast pain, and physical examination revealed a firm mass in the left breast. A core needle biopsy of the tumor revealed triple negative breast cancer with neuroendocrine features. We performed a simple mastectomy with lymph node dissection...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27806370/historical-perspective-of-split-cord-malformations-a-tale-of-two-cords
#4
Erfanul Saker, Marios Loukas, Christian Fisahn, Rod J Oskouian, R Shane Tubbs
INTRODUCTION: Our appreciation and understanding of what is now known as the split cord malformation (SCM) have a long history. The oldest known example of SCM is from roughly AD 100. Other isolated examples can be found in the large body of work of the pathologists of the 1800s, where the SCMs were found incidentally during autopsies. CONCLUSIONS: SCM has a rich history and has intrigued physicians for over 200 years. Many well-known figures from the past such as Chiari and von Recklinghausen, both pathologists, made early postmortem descriptions of SCM...
2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27805557/-retroperitoneal-tumor-neurofibroma
#5
REVIEW
Paul Eduardo Lada, Daniela Marriot, Carlos Sanchez Tasonne, Martin Sanchez, Fabian Caballero, Martin Massa
The neurofibroma is a benign tumor that grows from the sheath of the peripheral nerves, which is often localized on superficial tissues, especially in isolated forms. The neurofibromas can be of two types, localized or diffuse, the last one closely related to Von Recklinghausen disease or NF-1. We described a 37 years old male e patient, 37 years without symptoms, and the computed tomography scan (CT), and magnetic resonance imaging showed a tumor in proximity to the right kidney, the psoas muscle, the spine and compressing the cava vein, but cannot be accurately determinate the invasion of these structures...
2016: Revista de la Facultad de Ciencias Médicas
https://www.readbyqxmd.com/read/27785414/von-recklinghausen-disease-one-patient-various-problems
#6
B Bergler-Czop, B Miziołek, L Brzezińska-Wcisło
von Recklinghausen disease (vRD), more widely known as neurofibromatosis type 1, belongs to a group of genetic disorders and it is considered to be the most common genodermatosis. The disease has an autosomal dominant pattern of inheritance that involves mutations within the NF1 gene located on chromosome 17 in locus q11.2. The product of the NF1 gene is neurofibromin and the protein is well known to be a tumor suppressor factor. This counteracts possible overactivity of RAS (protein)/MAPK (mitogen-activated protein kinase) and RAS/PI3K/AKT/mTOR (phoshatydyloinositol-3-kinase/V-akt murine thy-moma viral oncogene homologue/mammalian target of rapamycin) signaling transduction pathways, preventing from uncontrolled cell proliferation and subsequent tumor formation...
July 1, 2016: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/27730789/neurofibromatosis-i-presentating-with-multiple-spinal-and-intracranial-neurofibromas
#7
Sunil Tripathi, C B Pandey, T N Dubey, Priyanka Singh
Von Recklinghausen's neurofibromatosis (NF-1) is a phacomatosis characterised by widespread nervous system tumours with cutaneous manifestations and variably associated anomalies. We report here a case, who, in addition to classical features of NF-1 (café-au-lait spots, cutaneous and subcutaneous neurofibromas) demonstrated radiological evidence of both spinal and intracranial neurofibromas and an incidentally discovered horse-shoe kidney. The unique constellation of spinal and intracranial neurofibromas, with associated horse-shoe kidney...
February 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27726791/paul-ehrlich-and-the-early-history-of-granulocytes
#8
A Barry Kay
Paul Ehrlich's techniques, published between 1879 and 1880, for staining blood films using coal tar dyes, and his method of differential blood cell counting, ended years of speculation regarding the classification of white cells. Acidic and basic dyes had allowed him to recognize eosinophil and basophil granules, respectively, work that was a direct continuation of his discovery of the tissue mast cell described in his doctoral thesis. Ehrlich went on to develop neutral dyes that identified epsilon granules in neutrophils ("cells with polymorphous nuclei")...
August 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/27617721/segmental-neurofibromatosis-and-cancer-report-of-triple-malignancy-in-a-woman-with-mosaic-neurofibromatosis-1-and-review-of-neoplasms-in-segmental-neurofibromatosis
#9
Philip R Cohen
BackgroundSegmental neurofibromatosis, referred to as mosaic neurofibromatosis 1, patients present with neurofibromas or café au lait macules or both in a unilateral segment of the body.PurposeA woman with segmental neurofibromatosis and triple cancer (renal cell carcinoma, mixed thyroid carcinoma, and lentigo maligna) is described and cancers observed in patients with segmental neurofibromatosis are reviewed.MethodsPubMed was used to search the following terms, separately and in combination: cancer, malignancy, mosaic, neoplasm, neurofibroma, neurofibromatosis, segment, segmental, tumor...
July 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/27603687/management-of-giant-facial-neurofibroma-with-intratumoral-hematoma-in-neurofibromatosis-type-1-patient
#10
Min Sung Tak, Seong Eun Cho, Sang Gue Kang, Chul Han Kim, Yong Seok Lee
Type-1 neurofibromatosis, a common autosomal dominant disease, is also known as von Recklinghausen disease. Surgical procedures to treat this condition are challenging because of the brittleness of the surrounding blood vessels and soft tissues that bring the risk of causing fatal bleeding. With improvements in neurovascular embolization procedures, some literatures have been published about the application of preoperative embolization for neurofibromatosis. This case report describes a 60-year-old female with Type-1 neurofibromatosis, who presented giant facial neurofibromas with intratumoral hemorrhage on both cheeks...
September 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27518244/ruptured-left-external-carotid-artery-aneurysm-presenting-as-upper-airway-obstruction-in-von-recklinghausen-s-disease
#11
Hajar Souldi, Mohammed Yahya Bajja, Meriem Chenguir, RedaLah Abada, Samy Rouadi, Mohammed Roubal, Mohammed Mahtar
INTRODUCTION: Neurofibromatosis type 1 (NF-1) is an autosomal dominant disorder characterized by café-au-lait macules, neurofibromas, and iris hamartomas. Carotid artery aneurysms rarely affect patients with NF-1 but may be associated with rupture. We report the first episode of a ruptured external carotid aneurysm with severe life-threatening airway obstruction in a NF-1 patient. PRESENTATION OF CASE: We report a case of NF-1 32-year-old woman admitted to our department for life-threatening upper airway obstruction caused by spontaneous expanding swelling in the left sided neck...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27510679/isolated-ileal-ganglioneuromatosis-in-an-11-year-old-boy-case-report-and-review-of-literature
#12
Subhashis Mitra, Sanghamitra Mukherjee, Hema Chakraborty
Ganglioneuromatous proliferation in the gastrointestinal tract is a rare occurrence and is usually associated with specific syndrome complexes such as multiple endocrine neoplasia Type 2B or von Recklinghausen's disease. We report here a case of diffuse intestinal ganglioneuromatosis, presenting as intestinal obstruction and chronic constipation in an 11-year-old boy. Sporadic cases of intestinal ganglioneuromatosis in the absence of any systemic manifestations are a very rare cause of enteric motility disorders in childhood, and we discuss the pathological and clinical significance of this finding...
July 2016: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/27443917/hilar-biliary-neurofibroma-without-neurofibromatosis-case-report-with-contrast-enhanced-ultrasound-findings
#13
Huan-Ling Guo, Li-da Chen, Zhu Wang, Yang Huang, Jin-Ya Liu, Quan-Yuan Shan, Xiao-Yan Xie, Ming-de Lu, Wei Wang
Solitary neurofibroma located in the hilum of the liver is extremely rare, particularly without neurofibromatosis. We herein report a case of hilar biliary neurofibroma without signs of von Recklinghausen's disease. A 36-year-old man was admitted to our department with progressive jaundice. The case was diagnosed as hilar cholangiocarcinoma based on preoperative imaging. The patient consequently received a Roux-en-Y hepaticojejunostomy and was confirmed with neurofibroma pathologically. This is the first reported imaging finding of hilar biliary neurofibroma using contrast-enhanced ultrasound, emphasizing the differential diagnosis of biliary tumors...
October 2016: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/27443624/-solitary-neurofibroma-of-the-sigmoid-colon-presenting-as-a-subepithelial-tumor-successfully-removed-by-endoscopic-resection
#14
Won Jik Lee, Sung Min Park, Byung Wook Kim, Joon Sung Kim, Jeong Seon Ji, Hwang Choi
Neurofibromas are benign, slow-growing nerve sheath tumors of the peripheral nervous system, arising from Schwann cells, and classically associated with neurofibromatosis type 1 (Nf1, von Recklinghausen's disease). They occur rarely in the gastro-intestinal tract as isolated neoplasms, outside the classical clinical feature of neurofibromatosis. We herein present an isolated colonic neurofibroma without any systemic signs of neurofibromatosis. A 59-year-old female came to our hospital for constipation. On physical examination, general appearance showed no definite skin lesions...
July 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27437301/isolated-primary-schwannoma-of-urinary-bladder
#15
Yateesh Srinivasa, Suresh Bhat, Fredrick Paul
Primary schwannoma of urinary bladder is a very rare tumour. It usually occurs in association with Von Recklinghausen's disease. It arises from Schwann's cells in the nerve sheath. We report here a very rare case of primary schwannoma of urinary bladder managed by complete transurethral resection.
May 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27385974/isolated-vaginal-neurofibroma-presenting-as-vaginal-wall-cyst-a-rare-case-report-with-review-of-literature
#16
Sarita Nibhoria, Kanwardeep Kaur Tiwana, Manmeet Kaur, Richa Phutela
Neurofibromas commonly involve peripheral nervous system. Isolated neurofibroma of vagina is very rare tumor and usually associated with Von Recklinghausen's disease. Vulva is the most frequent location of neurofibroma of genital tract followed by clitoris and labia. We present a rare case of neurofibroma of vaginal wall presented as vaginal cyst in a 52 year old female with no history of any other symptoms related to Recklinghausen's disease. Excision biopsy was done and on the histopathological examination non-encapsulated, well circumscribed mass composed of spindle shaped cells with wavy nuclei and bland nuclear chromatin was noted...
March 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/27384363/schwannoma-extending-from-the-umbilical-region-to-the-mid-thigh-compressing-the-major-vessels-of-the-right-leg-a-case-report-and-review-of-the-literature
#17
Joseph Yorke, Babatunde M Duduyemi, Abiboye C Yifieyeh, P K S Fiifi-Yankson, Collins Appiah, Dorcas Afful-Yorke, Michael O Adinku, D Ahulu
Schwannomas are benign, usually encapsulated, nerve sheath tumours derived from Schwann cells. They commonly arise from the cranial nerves as acoustic schwannomas and are extremely rare in the pelvis and retroperitoneal area (<0.5% of reported cases) unless they are combined with Von Recklinghausen disease (type 1 neurofibromatosis). We report the case of a 23-year-old woman with a mass extending from the umbilical region in the abdomen to the upper two-thirds of the thigh. As this tumour is so rare, and in order to ensure optimal treatment and survival for our patient, a computed tomography-guided biopsy was performed before en bloc tumour excision...
July 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27362247/imaging-findings-for-bilateral-giant-vestibulocochlear-schwannoma
#18
Mehmet Deniz Bulut, Alpaslan Yavuz, Aydın Bora, İsmail Gülşen, Abdussamet Batur
Neurofibromatosis type 2 mostly develops with multiple neoplasms of the central and peripheral nervous system and is associated with ocular abnormalities. The presented case is a 19-year-old female patient with bilateral vestibulocochlear schwannomas in both pontocerebellar corners, intradural intra-extramedullary masses, and multiple neurofibromas in the spinal canal. The clinical picture for NF-2, also called central neurofibromatosis, is completely different from von Recklinghausen disease. Untreated bilateral vestibulocochlear schwannoma may cause hydrocephalus in NF-2, and lead to death...
July 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27350775/key-messages-of-recent-publications-in-the-field-of-toxicology
#19
C Cadenas, R Marchan, P Godoy, R Reif, I von Recklinghausen, N Schöbel
No abstract text is available yet for this article.
2012: EXCLI journal
https://www.readbyqxmd.com/read/27340644/extracranial-head-and-neck-schwannomas-our-experience
#20
B H Shrikrishna, A C Jyothi, N H Kulkarni, Md Shafiuddin Mazhar
Schwannomas are benign neoplasms of the peripheral nerves originating in the Schwann cells. They are rare and usually solitary, with clearly delimited capsules. They occur in the head and neck region in only 25 % of the cases, and may be associated with Von Recklinghausen's disease. Schwannomas are always a diagnostic dilemma as they are asymptomatic for long time and histopathology is the gold standard for diagnosis. The present study retrospectively analysed data of 4 patients with schwannomas and reviewed the literature on the subject...
June 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
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