Descriptive terms for mucosal lesions Flashcards
What are the types of depressed mucosal lesions we find?
- Erosion
- Ulcer
- Fissure
What are the types of flat mucosal lesions we find?
- Macule
- Patch
What are the types of elevated mucosal lesions we find?
- Papule
- Plaque
- Nodule
- Tumour
- Vesicle
- Bulla
- Pustules
What is an erosion?
A lesion with partial loss of surface epithelium
What is an ulcer?
- A lesion with complete loss of the epithelium
- Lamina propria becomes exposed
- becomes covered by a yellow fibrino purulent membrane
What is a fissure?
A sharp depression into mucosa
What is a macule?
A flat lesion that is smaller than 1 cm in diameter
What is a patch?
A flat lesion that is larger than 1 cm in diameter
What is a papule?
An elevated lesion that is less than 1 cm in height
What is a plaque?
An elevated lesion of which the diameter is larger than the thickness (height) of the lesion
What is a nodule?
An elevated lesion that is larger (higher) than 5mm
What is a tumour/mass?
An elevated lesion that is larger than 2 cm
What is a vesicle?
An elevated fluid filled lesion that is smaller than 5mm
What is a bulla?
An elevated fluid filled lesion that is larger than 5mm
What is a pustule?
An elevated lesion that is filled with pus
How can a lesion’s attachment to the mucosa be described?
1 - Sessile
2 - Pedunculated
What is a sessile attachment?
The lesion is connected to the mucosa directly through a broad base
What is a pedunculated attachment?
The lesion is attached to the mucosa via a narrow stalk
Which consistencies can a lesion be?
- hard
- soft
- rubbery
- Indurated (wooden/hard)
What are some surface characteristics we may see in lesions?
1- Papillary 2- Verrucous 3- Smooth 4- Lobulated 5- Homogenous 6- Non-homogenous
What is a papillary surface?
A surface with fingerlike projections
What is a verrucous surface?
A surface with church spire like projections
What is a lobulated lesion?
A lesion that is divided into multiple lobes
When describing ulcers we also need to look at which extra characteristics?
- Margins
- Base
- Distribution
