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Photodynamic Therapy pro Cancro
Quid est Lorem photodynamic?
Lorem Photodynamic (UTC) quia curatio est medicamento utitur, et dicitur a photosensitizer photosensitizing agente et lumen maxime genus. Cum photosensitizers expositae sunt ad propria domi adsum lucis ex ipsis sequitur in forma quæ occidis oxygeni prope cellulis (I ?? III).
Quisque photosensitizer est activated a lumine certo domi adsum (III, IV). Haec lux non est tantum domi adsum iter in corpore (III, V). Ita uti medicis et aequalitatem photosensitizers lucis speciem corporis locis tractare EST.
Quid facies EST ad cancer?
Quia curatio cancer, primum gradum in in EST, a photosensitizing agente infusum est in sanguinem. Agens autem omne corpus imbuit amet cancer cellulis in aere quam in normalis cellulis longioribus. Circa XXIV ad LXXII post horis iniectio (I), cum maxime de manet in agente reliquit normalis cellulis et cancer cellulis, vulsella tuberculum patere ad lucem. Et photosensitizer lucis absorbeat et in summo tumore effundunt, et proferentem vas activae forma destruens illa oxygeni prope cancer cellulis (I ?? III).
In praeter directe occidere cancer cellulis perdere EST videtur abhorrere uel similitudines anorum, dupliciter quidem (I ?? IV). Photosensitizer de sanguine vasa in sit amet tumore, cancer ne ab accepto ita necessarium nutrimentum. EST tumore cellulis quoque oppugnare eu feugiat.
Lumen propter EST potest venire ad laser aut alia sources (II, V). Laser lux potest dirigi in alimentorum fibra funem rumpite opticus (tenuesque fibras in lucem, ut non transfundit) eripere ut intra corpus locis (II). Puta nervi fibra funem per endoscope imponatur (tenuis descendit fistulam in corpore tela spectabat) vel in pulmone cancer gula tractare organorum. Alii fontes lucem includit lumen emittens, diodes (LEDs), adhiberi possunt superficies, quae etiam, ut cutis cancer (V).
EST plerumque positus est outpatient procedure (VI). EST etiam referri potest et esse cum aliis therapies, ita ut surgery, radialis Lorem vel chemotherapy (II).
Extracorporeal photopheresis (ECP) typum EST quam colligere solebant machina patiens sanguinem cellulis agant extra corpus photosensitizing agens exponere luci reddere et patientis. US Cibus et medicamentis Administration (FDA) probatus est diminui et severitatem ECP ad auxilium cutis salubria de lymphoma cutaneus T-cell qui non responderit ad alia therapies. Studies sub modo determinare si est aliquid ut ECP applicationem ad alia tria carcinomata sua sanguinem, et etiam auxilium ad redigendum post rejectionem transplantatio.
Quid genera cancer sunt currently EST tractata sunt?
Ad date, FDA probatus est in agente photosensitizing dicitur porfimer sodium, Photofrin® vel ad usum vel per EST facies est levare salubria de non-parva cellula, et esophageal cancer pulmonis cancer. Sodium Porfimer probatus est levare salubria de esophageal cancer, ubi morantur de firmo nexu fulcit cancer cancer, vel quando non potest convenienter haberi laser illic solus. Porfimer sodium est non-parva cellula usus est facies in pulmone cancer aegris enim solito treatments pro quo ad rem non pertinent, & ad cellulam parva non-pulmonis cancer in patientibus signa quæ morantur airways. In MMIII, in FDA probata in patientibus laesiones porfimer sodium enim curatio de precancerous Barrett gulam, est conditio quod potest ducere ad esophageal cancer.
Quid de limitations ad PST?
Lumen ad eu maxima opus photosensitizers per quam non transiet circiter tertia Unciæ TEXTUS Domini (I centimeter). Propter quod, PDT est plerumque usus est in secretiori parte natium et facies sicut in cute seu tunica ex visceribus, cavis, aut (III). EST est etiam minus efficax in ageretur magna parte corporis: quia lux non transiet in quantum sunt similitudines anorum (II, III, VI). Loci curatio est plerumque non EST, et facies ad propagationem cancer, quod habet (metastasized) (VI).
Utrum inpedimenta et latus effectus EST habes?
Sodium Porfimer facit cute et oculos sensitivo circa VI ad lucem curatio post hebdomades (I, III, VI). Et sic aegros sunt monuit ad vitare dirige solis, et lux clara est saltem VI weeks amet.
Photosensitizers tend to build up in tumors and the activating light is focused on the tumor. As a result, damage to healthy tissue is minimal. However, PDT can cause burns, swelling, pain, and scarring in nearby healthy tissue (3). Other side effects of PDT are related to the area that is treated. They can include coughing, trouble swallowing, stomach pain, painful breathing, or shortness of breath; these side effects are usually temporary.
What does the future hold for PDT?
Researchers continue to study ways to improve the effectiveness of PDT and expand it to other cancers. Clinical trials (research studies) are under way to evaluate the use of PDT for cancers of the brain, skin, prostate, cervix, and peritoneal cavity (the space in the abdomen that contains the intestines, stomach, and liver). Other research is focused on the development of photosensitizers that are more powerful (1), more specifically target cancer cells (1, 3, 5), and are activated by light that can penetrate tissue and treat deep or large tumors (2). Researchers are also investigating ways to improve equipment (1) and the delivery of the activating light (5).
Selected References
- Dolmans DE, Fukumura D, Jain RK. Photodynamic therapy for cancer. Nature Reviews Cancer 2003; 3(5):380–387. [PubMed Abstract]
- Wilson BC. Photodynamic Lorem cancer est, principiis. Gastroenterology MMII Canadian Journal; XVI (VI) 393-396. [PubMed Abstract]
- Vrouenraets MB, Visser VUL, GB Nubila Solis, Van Dongen AG. E fundamentalibus principiis, improved et selectivity of applications in oncology photodynamic Lorem. Research Anticancer MMIII, XXIII (1B): 505-522. [PubMed Abstract]
- Tj Linstow Gomer CI, Cicero BW, et al. Photodynamic Lorem. Acta de National Cancri Instituti MCMXCVIII, XC (XII): 889-905. [PubMed Abstract]
- Gudgin Dicton EF Goyan duae RL, Pottier ad RH. Photodynamic partis nova in Lorem. Biology et cellular MMII; XLVIII (VIII): 939-954. [PubMed Abstract]
- Capella MA, Capella LS. A lux in multidrug resistentia immunibus: photodynamic in curatio anorum multidrug repugnans. Journal Acta Scientiae de MMIII, X (IV) 361-366. [PubMed Abstract]
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