A primer in computed axial tomographic anatomy. III. The male pelvis

Depart~neni of Radiology, The University of iowa Hospitals and Clinics. ‘low City, Iowa

Thz fctlowing przseentation of the computed tomographic (CT) anatomy of the male pelvis adheres essentially to the same format used in our previous communict&ms Il. 2). The scans were made at 1 S-cm intcwals on an Et.41 CT NC5 scanner with a 320 x 320 rr.skix in the slow wm option. The ~~b~l~ body is that of a 46.y~ear-ald male who &d ofcerebral trauma. Fiiures 1 (A-D) and 2 (A-D) M ccphalad to that pegion of the tmmdywhich exb:b?s sex-rtic~ific differences and am presented only fcr

coraoletcncss’ sake. Fieures 3, 4 and 5 ceasiat escb of f&r adjacent CT s&&s which form tbe basis for conposite schematic drawings that identify the prin cipai anatomic mucturss encountered in trsnsverx. sedicasthmugh the body at these Inc:r.

Aslewn. R.T.,‘Miu Shelle;‘Hawkinr. R.T.. and to Mr. Lorw Spence of the Anatow Department for their continued support and pt&siin‘of technical expertise to these projects.

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dorsal !,urface of both pubir bane!. and ihe pubic symphasis. 2.

Select UK one most cowect statement. a.

The seminal vaicks

c. BEWX nomnf of rhcx d.

structures

arc oositioned ventral to the ~CFWII and obliuuelv oriented.

the common pelvic nwplasms

are likely to involve the seminal vericks.

identification

is rarely important.

When tbe scminnl vesicles cannot be identi!%

on an iGtia1 KriLf

of scant thmwb

the nclvis a cba:w