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2014 ; 3
(ä): 291
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A radiologic morphometric study of sellar, infrassellar and parasellar regions by
magnetic resonance in adults
#MMPMID26034660
Yamashita S
; Resende LA
; Trindade AP
; Zanini MA
Springerplus
2014[]; 3
(ä): 291
PMID26034660
show ga
OBJECTIVE: To evaluate variations of some anatomic structures of sellar and
parasellar regions and their possible differences between genders and age groups.
PATIENTS AND METHODS: Magnetic resonance images (MRI) of 380 patients were
performed to analyze the dimensions of the sphenoid sinus, pituitary gland, optic
chiasm, intra-cavernous carotid distances, distance between columella nasal -
sphenoid sinus; and columella nasal-pituitary gland. The patients age ranged
between 20 and 80 years (mean age 48 years). The study included 235 females (mean
age 53 years) and 145 males (mean age 40 years). RESULTS: The transverse length
of the pituitary, the inter-carotid distance and the height of the pituitary were
similar between genders and age groups. The width and height of the optic chiasm
showed differences only between females of different ages. Males presented
greater distances between nasal columella and sphenoid sinus. The most common
type of pneumatization of the sphenoid sinus was the sellar, and depending on the
age group, sphenoid sinus was larger in males than females. CONCLUSION: The
anatomy of the Sellar and parasellar regions is complex and varies widely within
the normal range. They are a small area, rich in anatomical details affecting
multiple physiological systems in the body and, therefore, have great importance
in several medical fields. A better understanding of these complex structures is
essential in clinical diagnosis and treatment of disease.