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| =Benign= | | =Benign= |
| ==Rathke cleft cyst== | | ==Rathke cleft cyst== |
| ===General===
| | :See ''[[Pituitary#Rathke cleft cyst]]''. |
| *Benign counterpart of craniopharyngioma
| | *Arises from ''intermediate lobe''. |
| *Arises from [[pituitary gland]].
| | *Embryonic remnant. |
| | | *Related to ''craniopharyngioma''. |
| Radiology:
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| *Typically no calcifications.<ref name=emed_rcc>URL: [http://emedicine.medscape.com/article/343629-overview http://emedicine.medscape.com/article/343629-overview]. Accessed on: 14 November 2010.</ref>
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| Radiologic DDx:<ref name=emed_rcc>URL: [http://emedicine.medscape.com/article/343629-overview http://emedicine.medscape.com/article/343629-overview]. Accessed on: 14 November 2010.</ref>
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| *Arachnoid cyst.
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| *Craniopharyngioma.
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| *Cysticercosis (see ''[[microorganisms]]'').
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| *[[Pituitary adenoma]]. | |
| *Epidermoid of brain. | |
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| ===Microscopic===
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| Features:
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| *Lined by cuboidal or columnar epithelial +occasional goblet cells.<ref>URL: [http://www.endotext.org/neuroendo/neuroendo3/neuroendo3.html http://www.endotext.org/neuroendo/neuroendo3/neuroendo3.html]. Accessed on: 27 May 2010.</ref> | |
| *+/-Squamous metaplasia.
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| Image: [http://www.endotext.org/neuroendo/neuroendo3/figures/figure11.jpg Rathke's cleft cyst (endotext.org)].
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| ==Pemphigus vulgaris== | | ==Pemphigus vulgaris== |