Fisiología Anomalías de La Cavidad Nasal, Radiología, CT Scan
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13/04/2012Seminarios Anatoma Clnico Radiolgica Tel.
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Anatomia, Fisiologa,
Nasal , Anomalas de laCavidad nasal.Anatoma radiolgica,CT
Scan
SeminariosClnica de Asma y
AlergiaLean las notas al pie de las diapositivas
NEW !
mailto:[email protected]:[email protected] -
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Fisiologa NasalClnica de Asma yAlergia
Nasal Aerodynamics
Author: Samuel J Lin, MD; ChiefEditor: Arlen D Meyers, MD, MBA
Revisin
Dr. Juan HerreraSalazar
Overview
Nasal Resistance
Clinical Evaluation ofthe Nose
Flow Mechanics of
Airflow Rhinomanometry
Clinical Causes ofNasal Obstruction
Rhinoplasty and 13/04/2012Seminarios Anatoma Clnico Radiolgica Tel.
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2
http://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overview -
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Dr. Juan Herrera Salazar
13/04/2012Seminarios Anatoma Clnico Radiolgica Tel.
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Foro Mdico Nicaragense
Portales Mdicos
Medbook
Mi blog de Asma y Alergia
http://colmedni.ning.com/profile/DrJuanHerreraSalazarhttp://colmedni.ning.com/profile/DrJuanHerreraSalazarhttp://www.medbook.es/profile/JuanHerreraSalazarhttp://drjuanherrerasalazarasmayalergia.blogspot.com/http://drjuanherrerasalazarasmayalergia.blogspot.com/http://www.medbook.es/profile/JuanHerreraSalazarhttp://colmedni.ning.com/profile/DrJuanHerreraSalazarhttp://colmedni.ning.com/profile/DrJuanHerreraSalazarhttp://colmedni.ning.com/profile/DrJuanHerreraSalazar -
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Bibliografa
13/04/2012Seminarios Anatoma Clnico Radiolgica
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4
Atlas Netter II edicin.
Atlas Netter IV edicin Interactiva.
Atlas, Anatomy,Carmine de Clemente 3rd ed.. Gray s Anatomy Ed. Longman 1973.
Emedecine collection
Nasal Cavity Anatomy, Physiology, andAnomalies on CT Scan Author: Belachew Tessema,MD; Chief Editor: Arlen D Meyers, MD, MBA. Updated: Mar29, 2011
http://emedicine.medscape.com/article/875126-overviewhttp://emedicine.medscape.com/article/875126-overviewhttp://emedicine.medscape.com/article/875126-overviewhttp://emedicine.medscape.com/article/875126-overviewhttp://emedicine.medscape.com/article/875126-overview -
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Bibliografa Emedecine
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Nasal Physiology Author: Sanford M Archer, MD;Chief Editor: Arlen D Meyers, MD, MBA more...
Olfactory System Anatomy Author: Amir
Vokshoor, MD; Chief Editor: Arlen D Meyers, MD,MBA more...
Nasal Aerodynamics Author: Samuel J Lin, MD;Chief Editor: Arlen D Meyers, MD, MBA more...
Nasal Reconstruction Author: Ali Sajjadian, MD,FACS; Chief Editor: Arlen D Meyers, MD,MBA more...
http://emedicine.medscape.com/article/874771-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/876456-overviewhttp://emedicine.medscape.com/article/876456-overviewhttp://emedicine.medscape.com/article/876456-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/874822-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/835585-overviewhttp://emedicine.medscape.com/article/874771-overviewhttp://emedicine.medscape.com/article/874771-overviewhttp://emedicine.medscape.com/article/874771-overview -
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Lo ms dificil es ver lo que esta delante de tus ojos W.Goethe
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Anatomia radiolgica
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Radiografa Craneo Rx. . Lateral
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Anatomia y fisiologa
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Favor leer notas alpie de pagina..
o ..
o ..
o .. Gracias
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Definicin de Sinusitis Sinusitis is an inflammation of the mucosal lining
of the paranasal sinuses. As the mucosa of thesinuses is continuous with that of the nose,rhinosinusitis is a more suitable term.[1, 2]
Sinusitis can be subdivided into acute, subacute,
and chronic disease. Acute sinusitis is defined asdisease lasting less than 1 month. Subacutedisease lasts 1-3 months, and chronic sinusitis
lasts longer than 3 months and is generallyrelated to suboptimally treated acute or subacutedisease. Acute and subacute sinusitis are treatedmedically, whereas chronic sinusitis may
require surgical intervention. 13/04/2012Seminarios Anatoma Clnico Radiolgica Tel.
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Derrame del seno maxilar
Air-fluid levels,
as shown in theimage below,generally
indicatebacterialsinusitis.
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Tratamiento antibitico Levofloxacin,
moxifloxacin, andamoxicillin/clavulanate- Greater than 90%
High-dose amoxicillin,cefpodoxime proxetil,cefixime, cefuroxime
axetil, andtrimethoprim-sulfamethoxazole -80-90%
Clindamycin,doxycycline, cefprozil,azithromycin,
clarithromycin, anderythromycin - 70-80%
Cefaclor - 50-60%
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Otros medicamentos
Rinosinusitis Decongestionantes
Ver notas
Limpieza consolucin salina ver
docs jhs
Nasal 2 spray
Expectorants
Corticosteroids
Anticholinergics
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http://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medicationhttp://emedicine.medscape.com/article/232670-medication -
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Diagnostico diferencial Allergic Fungal Sinusitis
Sinusitis, Chronic, Medical Treatment
Sinusitis, Ethmoid, Acute, Surgical Treatment
Sinusitis, Frontal, Acute, Surgical Treatment Sinusitis, Fungal
Sinusitis, Maxillary, Acute, Surgical Treatment
Sinusitis, Maxillary, Chronic, Surgical Treatment
Sinusitis, Sphenoid, Acute, Surgical Treatment
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http://emedicine.medscape.com/article/834401-overviewhttp://emedicine.medscape.com/article/861768-overviewhttp://emedicine.medscape.com/article/862183-overviewhttp://emedicine.medscape.com/article/862292-overviewhttp://emedicine.medscape.com/article/863062-overviewhttp://emedicine.medscape.com/article/862030-overviewhttp://emedicine.medscape.com/article/861886-overviewhttp://emedicine.medscape.com/article/862435-overviewhttp://emedicine.medscape.com/article/862435-overviewhttp://emedicine.medscape.com/article/861886-overviewhttp://emedicine.medscape.com/article/862030-overviewhttp://emedicine.medscape.com/article/863062-overviewhttp://emedicine.medscape.com/article/862292-overviewhttp://emedicine.medscape.com/article/862183-overviewhttp://emedicine.medscape.com/article/861768-overviewhttp://emedicine.medscape.com/article/834401-overview -
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CT Scan Anatomia y Fisiologa
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CT scan, nasal cavity.
Normal anteriorostiomeatal complexanatomy.
The anatomy of theethmoid infundibulum
and the uncinateprocess isdemonstrated here.
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CT Scan Anatomay Fisiologa
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The uncinate process(UP) and lateral wall ofthe nasal cavity form
the ethmoidinfundibulum (EI). Theabove sinuses drain intothe EI via various ostia.The maxillary sinusostia and the frontal
sinus recess or ductdrain into the anterior-most portion of theOMC and areconsistently identifiable
on CT scan. Normalfrontal recess/duct.Frontal sinus emptiesinto the middle meatus
just lateral to the moreanterior portion of the
middle turbinate. The
COMComplejo Osteo
Meatal
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Anatoma yFisiologa
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Stammberger andMesserklinger
Drainage
Normal posteriorostiomeatal
complex. The vomerseparates the twoostia into thesphenoid sinus.
These ostia arelocated in thesphenoethmoidrecess. The vomer is
normally
Complejo OsteoMeatal Posterior
Normal
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Anatoma yFisiologa
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A normal sagittalreconstruction of the
OMC, showing thecurved edge of the
semilunar hiatus withthe inferior mucosal
edge covering the UP,can be seen in theimage below. Thefrontal recess is also
shown.Complejo OsteoMeatal Posterior
Normal
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El septo nasal
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Desviacin del Septo
Fisiologa de las desviaciones del SeptoNasal
Factor predisponente. SinusitisVer el papel de las alergias
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Septo NasalEstructura Osea y Cartilaginea.
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Anomalas de la Cavidad Nasal
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Congenital or truefusion of the uncinateprocess to the orbitfloor. The maxillarysinus is hypoplastic andnot aerated. Theethmoid infundibulumdoes not exist or endsblindly as the recessusterminalis.
The UP tip can also
fuse directly to thelateral wall or laminapapyracea of the orbit.This anomaly producesthe same imaging
findings as inferomedialfusion.
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Anomalas de la Cavidad Nasal
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Bilateral
pneumatization of
the uncinate tips.
Expansion of thetips can
compromise the
ethmoid
infundibulum, thesemilunar hiatus,
or the middle
meatus.
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Anomalas de la cavidad nasal
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Concha bullosa of the
left middle turbinatewith expansion and
narrowing of theethmoid infundibulumand the middlemeatus. Note
absence of the rightuncinate process,another anatomicvariant.
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Anomalas de la cavidad nasal
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Anomalias del
proceso uncinato.
Conchae (anomalas)
Turbinatosparadjicos
Duplicados
Accesorios
Fusin turbinato-turbinato
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Anomalas de la cavidad nasal
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Large Haller air cellclearly narrowing the
ethmoid infundibulum.
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Anomalas de la cavidad nasal
Overexpansion of theethmoid sinus floors
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Anomalias de la Cavidad Nasal
Polipos nasales Polipos coanales
Turbinatos accesorios
Fracturas
Absence of basal orground lamella
Absence of the basalor ground lamella is
problematic only ifFESS of the posteriorOMC is beingconsidered..
Bony septa:N.Videano
Lesiones lagrimeo.
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Ciruga FESS
C t ti
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Caractersticas
radiolgicas de la sinusitis
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El NivelHidro-aereo, en
el seno maxilarsugiere
sinusitis.
P t dil i l CT
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Patrones radilogicos al CT
Scan
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Right-sided
sphenoethmoidalpattern ofsinusitis.
P t dil i l CT
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Patrones radilogicos al CT
Scan
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Bilateral ethmoid
sinusitis on anMRI.
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Hiatus semilunaris Es el espacio delimitado
entre el proceso uncinatoanteoinferior y la bulaetmoidal
Las celdas etmoidalesanteriores drenan
anteriormente en el hiatussemilunaris atraves delducto fronto nasal.Themiddle group drains into thehiatus semilunaris on orabove the ethmoidal bulla.
El seno frontal drena pormedio del ducto frontal o atravs de las celdasetmoidales anteriores en elhiatus semilunaris.
El infundibulum maxilardrena en la reginposterior del hiatussemilunaris.
El seno frontal, maxilar,
las celdas anteriores ymediales drenan en elhiatus semilunaris.
Cualquier obstaculomecanico en esta reginm
causa inflamacin de lossenos mencionados. Estose le conoce como patronosteomeatal.
Sindrome del meato
medio. 13/04/2012Seminarios Anatoma Clnico Radiolgica Tel.
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El Complejo Osteo Meatal
Anatomia: Para evaluara el
patron de unasinusitis debemos
conocer primero elderaje de los senosnasales.
Unidad Osteomeatal:
esta no es unaestructuramorfologica unicasino una combinacin
de estructuras:
Turbinate Medio Bulla Etmoidal
Proceso Uncinato
Infundibulo Maxilar Hiatus semilunaris
(espacio debajo delturbinato)
Hueso Maxilar os
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Complejo Osteomeatal
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Mucosalthickening in
the left anteriorethmoid and
maxillarysinuses and inthe region of
theinfundibulum.This indicatesan ostiomeatal
pattern ofsinusitis
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Estructura Osea pared lateral de lacavidad nasal, reseccin parcial turbinatos
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Pared lateral de la cavidad
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Pared lateral de la cavidadnasal
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Drenaje del seno esfenoidal
The sphenoid sinus drains posterior to thesuperior turbinate into the sphenoethmoidrecess through the sphenoid ostium.
The posterior ethmoid air cells also drainthrough the superior meatus into thesphenoethmoid recess.
An obstruction in this region gives rise to thesphenoethmoid pattern of sinusitis.
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Conca Bulosa
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Concha
bullosa ofthe rightmiddle
turbinate.
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Celdas de Haller
Paradoxical curves ofboth middle turbinatescause narrowing ofthe ostiomeatal units.
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CT Scan Metodo Preferido
Computed tomography (CT)scanning is the examination ofchoice in sinusitis, particularly incases of chronic sinus disease,providing excellent detail of sinusanatomy. However, CT is usually notuseful in acute sinusitis, as
diagnosis in acute cases is primarilybased on clinical findings. Goodanatomic definition is desirablebefore surgical intervention.
Coronal CT imaging is the preferredinitial procedure. Bone-window
views provide excellent resolutionand good definition of the completeostiomeatal complex and otheranatomic details that play a role insinusitis. In addition, the coronalview is best correlated with findingsfrom sinus surgery, with anatomy
and pathology visualized in a plane
CT provides an excellent anatomic
display of soft-tissue attenuation.This depiction includes fluidlevels and polypoid masseswithin the normally air-filledcavities of the sinuses, nasalcavity, and postnasal space. Mostimportant, disease extending
beyond the bony perimeters ofthe sinuses into the adjacent softtissue of the orbit,[7] brain, andinfratemporal fossa can beimaged.
In general, nonenhanced CT scans
suffice in cases of uncomplicatedsinusitis. Multisection CT seemsto have the potential to replaceprimary coronal CT of theparanasal sinuses without anyloss of image quality, and it mayeven improve the overalldiagnostic value. However, the13/04/2012
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CT scan Spiral CT scan
1mm cuts
Magnetic ResonanceImaging
The exclusive use of coronal CT scansfor sinus imaging could result in thefailure to diagnose nasal cavityneoplasms. In the absence of bonedestruction, an esthesioneuroblastoma or
other neoplasm may be mistaken for anasal polyp on a CT scan, whereas onMRI, the nature of this tumor is quiteapparent. Beyond anatomic variants, anysuspicious findings should be imaged by
means of MRI.
Despite advances in MRItechnology, insufficient tissue, plusthe problems of susceptibility due tothe air-containing passages, makeMRI a less effective study for nasalcavity sinusitis problems, unless ofcourse the sinusitis turns out to berelated to squamous cell carcinoma(SCCa).
To date, no new MRI contrastagents that have an affiliation for
SCCa have been released.
13/04/2012
Seminarios Anatoma Clnico Radiolgica Tel.
22781169,22703359, 8882551346
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Prxima serie III parte
Magnetic ResonanceImaging
Ultrasonography
Nuclear Imaging
Angiography
13/04/2012
Seminarios Anatoma Clnico Radiolgica Tel.
22781169,22703359, 8882551347
http://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overviewhttp://emedicine.medscape.com/article/384649-overview -
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Gracias !
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13/04/2012
Seminarios Anatoma Clnico Radiolgica Tel.
22781169,22703359, 8882551349
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8/4/2019 Fisiologa Anomalas de La Cavidad Nasal, Radiologa, CT Scan
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Seminarios Anatoma Clnico Radiolgica Tel.
Gracias por la oportunidad
Desde la Clnica de Asma y Alergia
Managua , Nicaragua. Tel 22781169, 22703359,88825513
Dr. Juan Herrera Salazar
Favor ver la II Parte