Difference between revisions of "Pituitary gland"

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==Craniopharyngioma==
==Craniopharyngioma==
===General===
{{Main|Craniopharyngioma}}
*Develop from remains of Rathke's pouch or squamous epithelial cell rests.<ref name=pmid17425791>{{Cite journal  | last1 = Garnett | first1 = MR. | last2 = Puget | first2 = S. | last3 = Grill | first3 = J. | last4 = Sainte-Rose | first4 = C. | title = Craniopharyngioma. | journal = Orphanet J Rare Dis | volume = 2 | issue =  | pages = 18 | month =  | year = 2007 | doi = 10.1186/1750-1172-2-18 | PMID = 17425791 }}</ref>
 
Comes in two flavours:<ref name=pmid17425791/>
*Adamantinomatous type.
**Adults and children. 
*Squamous papillary type.
**Adults individuals.<ref name=pmid6696166>{{Cite journal  | last1 = Giangaspero | first1 = F. | last2 = Burger | first2 = PC. | last3 = Osborne | first3 = DR. | last4 = Stein | first4 = RB. | title = Suprasellar papillary squamous epithelioma ("papillary craniopharyngioma"). | journal = Am J Surg Pathol | volume = 8 | issue = 1 | pages = 57-64 | month = Jan | year = 1984 | doi =  | PMID = 6696166 }}</ref>
**Usually solid.
 
Radiology:<ref name=pmid17425791/>
*Calcified - adamantinomatous type only.
*Solid & cystic.
 
===Microscopic===
====Adamantinomatous====
Features (adamantinomatous):<ref name=Ref_DCHH184>{{Ref DCHH|184}}</ref>
*Well-circumscribed (or pseudoinvasive border).
*Multicystic.
*Small-to-medium sized cells with moderate amount of basophilic cytoplasm.
*Bland nuclei (with occ. small nucleoli).
*"Wet" keratin - nests of whorled keratin.
*Calcifications (non-psammomatous).
 
=====Images=====
<gallery>
Image:Adamantinomatous_craniopharyngioma_-_very_low_mag.jpg | Adamantinomatous craniopharyngioma - very low mag. (WC/Nephron)
Image:Adamantinomatous_craniopharyngioma_-_intermed_mag.jpg | Adamantinomatous craniopharyngioma - intermed. mag. (WC/Nephron)
Image:Adamantinomatous_craniopharyngioma_-_very_high_mag.jpg | Adamantinomatous craniopharyngioma - very high mag. (WC/Nephron)
</gallery>
====Papillary====
Features (papillary):<ref name=Ref_PSNP406>{{Ref PSNP|406}}</ref>
*Non-keratinized squamous epithelium (without nuclear atypia).
*Fibrovascular cores (required for ''papillary'').
 
Notes:
*+/-Cilia (rare).
*+/-Goblet cell-like formations (rare).
 
=====Image=====
<gallery>
Image:Papillary_craniopharyngioma_-_intermed_mag.jpg |Papillary craniopharyngioma - intermed. mag. (WC/Nephron)
Image:Papillary_craniopharyngioma_-_very_high_mag.jpg |Papillary craniopharyngioma - very high mag. (WC/Nephron)
</gallery>
www:
*[http://library.med.utah.edu/WebPath/jpeg4/ENDO115.jpg Craniopharyngioma (med.utah.edu)].<ref>URL: [http://library.med.utah.edu/WebPath/jpeg4/ENDO115.jpg http://library.med.utah.edu/WebPath/jpeg4/ENDO115.jpg]. Accessed on: 6 December 2010.</ref>


==Autoimmune hypophysitis==
==Autoimmune hypophysitis==
Michael
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