The first evidence of pituitary gland tumor in ground sloth Valgipes bucklandi Lund, 1839

2021 ◽  
Author(s):  
Roberta Veronese Amaral ◽  
Luciana Barbosa De Carvalho ◽  
Sergio Alex Kugland De Azevedo ◽  
Rafael Delcourt
Keyword(s):  
Pituitary Gland ◽  
Gland Tumor ◽  
Ground Sloth

scholarly journals A Case of Acromegaly in which a Pituitary Gland Tumor was Reduced Significantly by Administering Octreotide Long Acting Release (LAR) and Could Be Removed Surgically

2017 ◽  
Vol 39 (3) ◽  
pp. 241-245
Author(s):  
Tadashi ARAO ◽  
Yosuke OKADA ◽  
Fumi UEMURA ◽  
Shigeru NISHIZAWA ◽  
Yoshiya TANAKA
Keyword(s):  
Pituitary Gland ◽  
Gland Tumor ◽  
Long Acting

scholarly journals Visual Improvement after Endoscopic Endonasal Transsphenoidal Excision of Pituitary Gland Tumor

2019 ◽  
Vol 23 (4) ◽  
Author(s):  
ZUBAIR AHMED KHAN ◽  
HABIB SULTAN ◽  
MUHAMMAD WAQAS ◽  
SARFRAZ KHAN ◽  
TOQEER AHMED ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Pituitary Gland ◽  
Pituitary Surgery ◽  
Transsphenoidal Approach ◽  
Gland Tumor ◽  
Endoscopic Endonasal ◽  
Age And Gender ◽  
Tumor Excision ◽  
Visual Improvement ◽  
And Gender

Objective: To evaluate the frequency of improved visual acuity after Endoscopic Endonasal Transsphenoidal excision of pituitary gland tumor.Study Design: Descriptive case series.Materials and Methods: In our study, Pre-operative visual acuity was noted by using the Snellen’s chart. Then patients underwent pituitary gland excision though Endoscopic Endonasal Transsphenoidal approach under general anesthesia. After surgery, patients were shifted in postsurgical wards and then will be discharged from there and were examinedfor 3 months in OPD. Snellen’s chart was used to evaluate patents for visual acuity after 3 months by an experienced ophthalmologist having at least 4 years residency experience If visual acuity increased ≥ 1 line, then improved visual acuity was labeled.Results: Improved visual acuity after pituitary gland tumor excision was seen in 59(89.39%) patients. Age and gender of patients did not show any statistically significant association for improved visual acuity.Conclusions: Results of this study showed that pituitary gland tumor excision through Endoscopic Endonasal Transsphenoidal approach is effective in terms of visual acuity improvement. Our main objectives in pituitary surgery are protection and reinstatement of vision and this surgical approach give maximum cover to vision restoration.

Improved immunolabelling of ultrathin cryosections using antibody conjugated with 1nm gold particles

1990 ◽  
Vol 48 (3) ◽  
pp. 928-929
Author(s):  
Morten H. Nielsen ◽  
Lone Bastholm
Keyword(s):  
Pituitary Gland ◽  
Liquid Nitrogen ◽  
Electron Density ◽  
Small Diameter ◽  
Cytochemical Staining ◽  
Gold Particles ◽  
Labelling Density ◽  
Ultrathin Cryosections ◽  
Mouse Pituitary ◽  
Electron Microscopical

During the last 5 years the diameter of the gold probes used for immuno-cytochemical staining at the electron microscopical (EM) level has been decreased. The advantage of small diameter gold probes is an overall increased labelling density. The disadvantage is a lower detectability due to the low electron density of smaller gold particles consequently an inconvenient high primary magnification needed for EM examination. Since 1 nm gold particles are barely visible by conventional EM examination the need for enlargement by silverenhancement of the gold particles has increased.In the present study of ultrathin cryosectioned material the results of immunostaining using 5 nm gold conjugated antibody and 1 nm gold conjugated antibodies are compared after silverenhancement of the 1 nm gold particles.Slices of freshly isolated mouse pituitary gland were immersion fixed for 20 min in 2 % glutaraldehyde /2 % paraformaldehyde. Blocks cryoprotected with 2.3 M sucrose were frozen in liquid nitrogen and ultra-cryosectioned on a RMC cryoultra-microtome.

Impact of Selective Pituitary Gland Resection or Incision on Hormonal Function in Endonasal Tumor or Cyst Removal

2015 ◽  
Vol 76 (S 01) ◽  
Author(s):  
Garni Barkhoudarian ◽  
Aaron Cutler ◽  
Sam Yost ◽  
Amy Eisenberg ◽  
Daniel Kelly
Keyword(s):  
Pituitary Gland ◽  
Hormonal Function
Sign in / Sign up

Export Citation Format

Share Document