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排序方式: 共有102条查询结果,搜索用时 15 毫秒
1.
Retroperitoneal cystic lymphangioma is a rare congenital malformation. The majority of lymphangiomas are present at birth and nearly all present before the age of two years. We report a case of giant cystic retroperitoneal lymphangioma in a patient who first presented with symptoms at the age of 7, underwent surgery, and who then suffered a recurrent mass 11 years later. 相似文献
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Ekinci B Koktekir E Kal A Karalezli A Erinanc H 《The Journal of craniofacial surgery》2012,23(2):e93-e95
A 5-year-old girl with right exophthalmos and esotropia presented to ophthalmology outpatient clinics. Orbital computed tomography revealed a 20- to 30-mm oval soft tissue mass lying superolateral to the right lateral rectus muscle in the orbit. The patient was operated on by a neurosurgical team, the csyt was removed totally, and examination of the pathologic specimen, which reveals the epidermoid cyst, was performed. After the operation, exophthalmos and esotropia were improved, and visual acuity was increased. Although itis seen as a rare entity in the orbit, epidermoid cyst must be considered during the investigation of exophthalmos. 相似文献
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BE Koktekir B Bakbak M Karamese S Gedik Z Tosun 《The Journal of craniofacial surgery》2012,23(4):964-965
A 27-year-old man who underwent a previous reconstruction surgery for left orbital blowout fracture and recent revision surgery for left cicatricial ectropion was admitted to the ophthalmology outpatient clinic with a 20-mm irregular conjunctival and scleral incision in the left eye at the 6-o'clock position. The scleral and conjunctival incisions were repaired, and during the operation, the anterior end of the titanium mesh plate was visible at the inferior orbital rim. The plastic surgery team removed the irritating end of the plate. Obvious adherence of periocular tissues onto the titanium implant and fibrovascular ingrowth through the implant were seen during this operation. The possible mechanism for the misdirection of the anterior end of the implant might be explained by iatrogenic rotation during the revision of the cicatricial ectropion. To the best of our knowledge, this is the first reported case demonstrating scleral incision caused by an orbital titanium implant. 相似文献
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Akay BN Arslan A Cekirge S Erkin G Anadolu-Brasie R 《Journal of drugs in dermatology : JDD》2007,6(5):536-538
Lichen planus (LP) is an idiopathic, inflammatory, pruritic dermatosis of unknown origin. An increased prevalence of a wide range of diseases such as viral hepatitis C, hepatitis B, primary sclerosing cholangitis, and primary biliary cirrhosis have been associated with LP. Recently, LP has been reported following administration of different types of hepatis B vaccines but a relationship with an inactivated influenza vaccine (Fluarix, GlaxoSmithKline) has not been reported previously. We present a case of generalized LP manifesting 7 days after the first 0.5-ml dose of influenza vaccine, administered via deltoid injection. LP is possibly a viral antigen-triggered inflammatory skin condition, the pathogenesis of which needs to be further explored. 相似文献
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Pain originating from intramuscular (IM) injection should not be underestimated, because a painful injection might incite severe fear of injection, which may lead a patient to delay seeking medical help. The aim of this study was to determine the impact of two different IM methylprednisolone injection speeds on pain intensity and pain duration. A one-group quasiexperimental design was used to study 10-second versus 30-second injection durations. According to the formula for one sample using average values, 25 patients were recruited from a dermatology clinic. Data were collected using the “Patient Characteristics Form” and the visual analog scale (VAS). The mean difference in pain levels according to the VAS in the postinjection period was significantly higher with administration of IM methylprednisolone in 10 seconds compared with 30-second administration (VAS 1.9 vs. 1.3; p < .05). The severity of pain peaked at 0 minutes for both injection speeds, but the duration of pain was longer with 10-second injections. The data showed that at multiple time points after 10-second injections, men and patients >40 years old experienced greater pain severity. Pain severity after 30-second injections was greater for patients of normal or low weight who had completed higher levels of education. In conclusion, slow IM injection of steroids improves pain management. 相似文献
8.
Dural and Arachnoid Membraneous Protection of the Abducens Nerve at the Petroclival Region
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M. Faik Ozveren Koichi Uchida Ibrahim Tekdemir Bengu Cobanoglu Ismail Akdemir Takeshi Kawase Haluk Deda 《Skull base》2002,12(4):181-188
The goal of this study was to determine the membranous protection of the abducens nerve in the petroclival region. The petroclival portion of the abducens nerve was studied in ten dissections from five cadaveric head specimens. One of the heads was used for histological sections. Four heads were injected with colored latex for microsurgical dissections. The histological sections were prepared from petroclival dura mater, embedded in paraffin blocks, stained, sectioned in the axial, coronal, and sagittal planes, and evaluated by light microscopy. The abducens nerve was covered by a dural sleeve and arachnoidal membrane during its course within the petroclival area. Following the petrous apex, the abducens nerve was fixed by a sympathetic plexus and connective tissue extensions to the lateral wall of the cavernous segment of the internal carotid artery and to the medial wall of Meckel's cave. Fibrous trabeculations inside the venous space were attached to the dural sleeve. The lateral clival artery accompanied the dural sleeve of the abducens nerve and supplied the petroclival dura mater. The arterioles accompanying the abducens nerve through the subarachnoid space supplied the nerve within the dural sleeve. The arachnoid membrane covered the abducens nerve within the dural sleeve to the petrous apex, and arachnoid granulations found on the dural sleeve protruded into the venous space. The extension of the arachnoid membrane to the petrous apex and the presence of arachnoid granulations on the dural sleeve suggest that the subarachnoid space continues in the dural sleeve. 相似文献
9.
Although the effects of cigarette smoking and/or thinner inhalation on various organs have been investigated, there isn't enough study available in literature about their effects on kidneys. Therefore, in this study we investigated the effect of smoking and/or inhalation on the rat kidney. In this study, stand-alone inhalation of thinner and cigarette smoke and their application together were used to determine histopathologic changes, primarily the influences on rat kidneys. The study included 60 Wistar Albino species male rats. The 60 rats were divided into 4 groups of 15 rats each. Of the groups, three were working groups and the fourth was the control group. The rats in the first study group inhaled thinner only (T), those in the second group cigarette smoke only (CS), and the rats in the third group were made to inhale both thinner and cigarette smoke (TC). Each study group was divided into 3 subgroups each comprising 5 rats and inhalation was continued for periods of 2 wk, 4 wk, and 6 wk. Thinner was vaporized into the cage with a millipore pump at a constant pressure twice per day for 1 h for 5 days (toluene 2800-3000 ppm, acetone 500-600 ppm, isobutyl acetate 7000-8000 ppm, and isobutanol 6000-7000 ppm). Cigarette smoke was given 4 times per day for 15 min each, using a mechanism prepared with an aquarium motor (containing 1.2 mg nicotine,13 mg tar, and 13 mg carbonmonoxide; 60 puffs/min). After that, rat kidneys were removed. The kidneys were weighed and were given macroscopic and microscopic examination. There were significant differences for the thinner and thinner + cigarette smoke groups in comparison to the control group, observed in both proximal and distal tubules. However, changes in the cigarette smoke group were only in proximal tubules and were smaller in extent. Thinner has been widely used as a industrial substance. Thinner usage is an important health problem. Those sniffing thinner generally also use cigarettes. The findings of the present study reemphasize the importance of taking immediate measures in order to prevent thinner inhaling among homeless children, who pose an important social problem, and to protect people who work in industrial branches that widely use thinner. 相似文献
10.
Senkal CE Ponnusamy S Rossi MJ Sundararaj K Szulc Z Bielawski J Bielawska A Meyer M Cobanoglu B Koybasi S Sinha D Day TA Obeid LM Hannun YA Ogretmen B 《The Journal of pharmacology and experimental therapeutics》2006,317(3):1188-1199
In this study, a cationic water-soluble ceramide analog L-threo-C6-pyridinium-ceramide-bromide (L-t-C6-Pyr-Cer), which exhibits high solubility and bioavailability, inhibited the growth of various human head and neck squamous cell carcinoma (HNSCC) cell lines at low IC50 concentrations, independent of their p53 status. Consistent with its design to target negatively charged intracellular compartments, L-t-C6-Pyr-Cer accumulated mainly in mitochondria-, and nuclei-enriched fractions upon treatment of human UM-SCC-22A cells [human squamous cell carcinoma (SCC) of the hypopharynx] at 1 to 6 h. In addition to its growth-inhibitory function as a single agent, the supra-additive interaction of L-t-C6-Pyr-Cer with gemcitabine (GMZ), a chemotherapeutic agent used in HNSCC, was determined using isobologram studies. Then, the effects of this ceramide, alone or in combination with GMZ, on the growth of UM-SCC-22A xenografts in SCID mice was assessed following the determination of preclinical parameters, such as maximum tolerated dose, clearance from the blood, and bioaccumulation. Results demonstrated that treatment with L-t-C6-Pyr-Cer in combination with GMZ significantly prevented the growth of HNSCC tumors in vivo. The therapeutic efficacy of L-t-C6-Pyr-Cer/GMZ combination against HNSCC tumors was approximately 2.5-fold better than that of the combination of 5-fluorouracil/cis-platin. In addition, liquid chromatography/mass spectroscopy analysis showed that the levels of L-t-C6-Pyr-Cer in HNSCC tumors were significantly higher than its levels in the liver and intestines; interestingly, the combination with GMZ increased the sustained accumulation of this ceramide by approximately 40%. Moreover, treatment with L-t-C6-Pyr-Cer/GMZ combination resulted in a significant inhibition of telomerase activity and decrease in telomere length in vivo, which are among downstream targets of ceramide. 相似文献