48,475
edits
Difference between revisions of "An introduction to head and neck pathology"
Jump to navigation
Jump to search
An introduction to head and neck pathology (view source)
Revision as of 18:16, 4 February 2011
, 18:16, 4 February 2011→Benign: more
(→Pyogenic granuloma: more) |
(→Benign: more) |
||
| Line 13: | Line 13: | ||
**Unidentified red lesion. | **Unidentified red lesion. | ||
**Often erosion. | **Often erosion. | ||
=Benign cystic lesions== | |||
:Cytology dealt with in ''[[Head and neck cytopathology]]''. | |||
==DDx== | |||
Lateral: | |||
*Brachial cleft cyst. | |||
*Cystic hygroma. | |||
Medial: | |||
*Thyroglossal duct cyst. | |||
Both: | |||
*Epidermoid cyst. | |||
*Cystic squmaous cell carcinoma. | |||
==Rathke cleft cyst== | |||
:{{Main|Rathke cleft cyst}} | |||
*Arises from ''intermediate lobe'' - embryonic remnant. | |||
*Benign cystic lesion without calcification. | |||
*Related to ''[[craniopharyngioma]]''. | |||
==Thyroglossal duct cyst== | |||
===General=== | |||
*Congenital. | |||
*Midline. | |||
Treatment: | |||
*Surgical excision (with piece of hyoid bone). | |||
===Microscopic=== | |||
Features: | |||
*Cyst. | |||
**Lining: | |||
***Squamous or respiratory epithelium. | |||
***Cyst contents: debris. | |||
*+/-Thyroid gland. | |||
*+/-Granulomatous inflammation (phagocytosis of debris). | |||
Images: | |||
*[http://150.59.224.157/pathology/system/data/image_data/117116921705.jpg TDC (150.59.224.157)].<ref>URL: [http://150.59.224.157/pathology/index.php?now_position=1&first_category_id=2&second_category_id=19 http://150.59.224.157/pathology/index.php?now_position=1&first_category_id=2&second_category_id=19]. Accessed on: 4 February 2011.</ref> | |||
=Benign= | =Benign= | ||
| Line 21: | Line 62: | ||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features:<ref>URL: [http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970310-2 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970310-2]. Accessed on: 4 February 2011.</ref> | ||
* | *Early: | ||
*#Edema. | |||
*#Fibroblasts proliferation. | |||
*Late: | |||
*#Subepithelial hyaline / stromal hyaline. | |||
*#Blood vessels - dilated. | |||
Images: | Images: | ||
*[http://commons.wikimedia.org/wiki/File:Laryngeal_nodule_(1).jpg?uselang=en Laryngeal nodule - low mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Laryngeal_nodule_(1).jpg?uselang=en Laryngeal nodule - low mag. (WC)]. | ||
*[http://commons.wikimedia.org/wiki/File:Laryngeal_nodule_(2).jpg?uselang=en Laryngeal nodule (WC)]. | *[http://commons.wikimedia.org/wiki/File:Laryngeal_nodule_(2).jpg?uselang=en Laryngeal nodule (WC)]. | ||
==Pemphigus vulgaris== | ==Pemphigus vulgaris== | ||