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angle of mandible
landmark for palatine tonsil (in oropharynx), c3, soft palate
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mid zygoma point
between eac and lat canthus, floor of the sphenoid sinus and roof of nasopharynx located there, 1cm above it is the floor of sella, 1.5cm above it is pituitary gland, upper part of pterygoid process and upper part of pyergoid fossa
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7 bone marrow locations
*vertebrea, *pelvis and long bones, sternum, ribs, skull, scapula
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When does bone marrow become a problem
fever, huge treatment fields, bleeding problem from tumor
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bade of tragus (longitudinal plane)
posterior wall of nasopharynx (anterior to it), anterior border of c1, mastoid tip, retropharyngeal nodes (ant to it, posteror to lumin of phyrnx), posterior limit of off cord field
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parotid gland
upper limit is temporo mandibular joint (zygoma), postieror limit is antior border of mastoid tip, inferior limit is between mandible and hyoid bone, anterior limit is anterior border of ramus and anterior border of masseter to inclue stenson duct
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hypoid bone
upper border of c4, transveral plane is the limit between oro and hypopharynx, anterior part is the pharyngo epiglottic fold and vallecula, posterior part jugulo diastic node and bifurcation of the carotid artery
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vocal cord
c4-c5, floor fo the ventricle
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below cricoid cartilage
inferior border of c7
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cervical spine
prominent spinous process, c7, lower boarder of larynx and hypopharynx, neglected lymph node supra omophyoid,
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sternoceidomastoid muscle
under is the supra omohyoid node (direct drainage from tip of tounge)
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jugulodigastric node
at c7
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submandibular node
mandibular angle
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post triangle nodes
on both sides of sternoclediomastoid muscle
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suprasternal notch
t2-t3, edge of clavical
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internal mammary nodes
2.5cm from midline - 5cm wide ap field, medistium - more likely 8cm wide
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sternoxyphoid junction
t10, diaphargm
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biforcation of trachea
into the right and left mainstem bronchus
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angle of lewis
just above carina, t4-t5
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umbilical plane
l4/l5, umbilicus, iliac crests, aortic bifurcation, top of common iliac ln, lower extend of p aortic nodes.
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iliac crests
more reliable in obese patients or after surgury
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pyloric plane
located top of l1, mideway between sternoxyphoid juction and umbilicus (l4/l5), 5 cm from midline-kidney hilum, top of pancreus head, gallbladder, c loop of duodenum
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prostate
femoral neck, midline
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vagina - crosses post border of femoral neck, oblique posteriorly
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bladdar
femoral head and above
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pedicle
inside vetebrea where spinal cord runs
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c1
mastoid tip, base of tragus
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c3-c6
thyoid cartilage, vocal cords
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c7
level of inferior border of cricoid cart
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t1
1 - 1.5 inches above sternal notch
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t4-t5
sternal angle (juction of manubrium and body of sternum)
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t7
center of sternal body
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t10
end of xiphoid process
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L3
lower costal margins, ribs
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anterior superior iliac spine
second sacral segment
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