Intro and Principles of Soft Tissue Diagnosis- Exam I Flashcards
The medical science and specialty practice, concerned with all aspects of disease, but with special reference to the essential nature, causes, and the development of abnormal conditions, as well as the structural and functional changes that result from the disease processes:
Pathology
Probabilities from possibilities includes:
- All possible lesions for a patient of:
- All possible lesions from:
- All possible lesions that:
- this age, sex, & race
- this anatomical location
- look this way
Recognition requires a thorough knowledge of ____ and ____. This is also known as:
normal; “the range of normal”; WNL
Components of developing a differential diagnosis include:
- Recognition
- Description of the lesion
- Patient contribution
- Possibilities
- Probabilities
DDx:
Differential diagnosis
When making a differential diagnosis, patient contributions include:
- age, gender, race
- current medical conditions and meds
- supplements
- social habits
- oral habits
- past medical history
When you have a lesion that can only look a certain way- this is considered:
pathognomic
For diagnosis of a soft tissue lesion, what should be considered?
- texture/consistency
- association with surrounding tissue (fixed vs. movable, displacing vs. devouring)
For diagnosis of a soft tissue lesion, anatomic location:
changes DDx
A white diagnostic possibilities characterized by “surface debris”: (5)
- psuedomembraneous candidiasis
- chemical burns
- thermal burns
- chemical sloughs (SLS)
- Fibrinous membranes- ulcers
A white diagnostic possibilities characterized by “Sub-epithelial lesions”: (4)
- congenital keratotic cysts
- scars
- fordyce granules
- oral lymph-epithelial cysts
A white diagnostic possibilities characterized by “epithelial thickening”: (14)
- Alveolar ridge keratosis
- Contact mucositis (especially cinnamon)
- Familial epithelial hyperplasia (white sponge nevus)
- Frictional keratosis
- Hairy tongue
- Hereditary benign intraepithelial dyskeratosis (HBID)
- Leukoedema
- Leukoplakia
- Lichen planus
- Linea alba
- Morsicatio
- Oral hairy leukoplakia
- Skin grafts
- Snuff Dipper’s Keratosis
What is characteristic of the following conditions:
-Congenital keratotic cysts
-Scars
-Fordyce granules
-Oral lymphoepithelial cysts
White sub-epithelial lesions
What is characteristic of following conditions:
-Psuedomembranous candidiasis
-Chemical/thermal burns
-Fibrinous membranes
-Chemical sloughs (SLS)
White surface debris
What is characteristic of the following conditions:
-Linea alba
-Leukoplakia
-Leukoedema
-Lichen planus
White epithelial thickening
Which should you be more concerned about- Red or White lesions?
Red
What is characteristic of the following conditions:
-Alveolar ridge keratosis
-Frictional keratosis
-Snuff Dipper’s keratosis
-Hereditary benign intraepithelial dyskeratosis (HBID)
White epithelial thickening
What is characteristic of the following conditions:
-Familial epithelial hyperplasia (white sponge nevus)
-Hairy tongue
-Oral hairy leukoplakia
-Contact mucositis (especially cinnamon)
-Skin grafts
-Morsicatio
White epithelial thickening
When encountering a white lesion, what steps should be followed? (5)
- wipe first
- sources of friction
- chemicals
- heat
- alter environment and re-evaluate
What is the first step that should be taken when encountering a white lesion?
Wipe first!
White lesions are mostly _____ lesions, but ____ matters
Low-risk; location
What are some possible red diagnostic possibilities caused by trauma?
- physical/sexual
- chemical
- thermal
- radiation
- hematoma
Can you feel a macule?
No- you can only see it
- hemangioma
- nevus flameus
- capos sarcoma
These are all considered:
Vascular lesions (Red)
- lichen planus
- mucous membrane pemphigoid
- pemphigus vulgaris
These are all considered:
Desquamative gingivitis
What steps should be taken/considered when encountering a red lesion?
- diascopy
- location
- habits
- trauma
- medical history (coagulation)
What type of diagnostic possibilities are listed below?
- Lichen planus
- Erythema migrans
- Nicotinic stomatitis
- SCCa
- Lichenoid mucositis
Red-white
What type of diagnostic possibilities are listed below?
- contact allergy
- drug reactions
- graft-versus-host disease (GVHD)
- candidiasis variants
Red-white
What is the hardest plaque to recognize clinically?
Erythroplakia
What type of diagnostic possibilities are listed below?
- discoid lupus erythematosus
- chronic ulcerative stomatitis
- speckled leukoplakia
-sick lip syndrome
Red-white
When encountering a red/white lesion, what should be considered?
- social history
- tooth paste/floss
- mouthwash
- candies, gums, mints, tic-tacs, lozenges
- herbal supplements
- changes in medications
- oral habits
What is the magic number for differential diagnosis?
3
When encountering a pigmented lesion, what should be considered?
- number
- size
- onset
- distribution
- borders
- location
Give an example of a differential diagnosis for tobacco pouch keratitis?
- dysplasias (can present as a leukoplakia)
- hyperplastic candidiasis
When encountering an ulcer, what should be considered?
- number
- size
- onset
- frequency/duration
- location
Being able to describe the lesion allows you to:
include some lesions, while excluding others
In describing the lesion _____ will emerge
patterns
The basic components of describing a lesion:
- size
- shape
- color
- borders
- texture
- consistency
- location
A small, circumscribed elevated lesion usually less than 1cm in diameter, usually contains serous fluid:
Vesicle
Diagnose the following image:
Vesicle
Vesicles usually contain:
Serous fluid
Describe the size of a vesicle:
less than 1 cm
Describe what is seen in the following picture:
-multiple circumscrie elevated lesions
-less than 1cm lesions
-fluid filled
(Vesicle)
Diagnose the following image:
Bulla
Bullas usually contain:
serous fluid
Circumscribed elevated lesion that is around 1cm in diameter, usually contains serous fluid:
Bulla
Describe the size of a bulla:
usually around 1 cm
Describe the following image:
-circumscribed elevated lesion
-about 1 cm in diameter
-fluid filled
(Bulla)
Various sized circumscribed elevations containing pus:
Pustule
Diagnose the following image:
Pustule
Describe what is seen in the following image:
-various small circumscribed elevation
-pus filled
An area that is usually distinguished by a color different from that of the surrounding tissue- it is flat and does not protrude above the surface of the normal tissue:
Macule
Diagnose the following image:
Macule
Describe the following image:
-flat area different in color from surrounding tissue
A small circumscribed lesion usually less than 1cm in diameter that is elevated or protrudes above the surface of normal surrounding tissue:
papule
Diagnose the following image:
papule
Describe the following image:
-small circumscribed lesion
-less than 1cm in diameter
-elevated above surface/protrudes
A circumscribed lesion usually greater than 1cm in diameter that is elevated or protrudes above or below the surface of normal surrounding tissue:
nodule
Diagnose the following image:
Nodule
Describe the following image:
-circumscribed lesion greater than 1cm in diameter
-elevated/protrudes above surface
Attached by a stem-like stalk or base:
pedunculated
*remember this is an incomplete description alone
Describe the attachment seen in this image:
Pedunculated
Describing the base of a lesion that is flat stem-like:
Sessile
*remember this is an incomplete description alone
Describe the attachment seen in this image:
Sessile
A loss of continuity of the epithelium that penetrates to the underlying connective tissue:
Ulcer
Diagnose the lesion in this image:
Ulcer
Describe the lesion in this image:
-loss of continuity of the epithelium
-penetrates to the underlying connective tissue
A patch or differentiated area on a body surface:
Plaque
Diagnose this image:
Plaque
(Left image= erythematous plaque, right image= leukoplakia)
Describe the surface texture seen in this image:
Corrugated (wrinkled)
“wrinkled”
Corrugated
A cleft or grove, normal otherwise, showing prominent depth:
Fissure
Describe the surface texture seen in this image:
Fissured
Resembling small nipple-shaped projections or elevations found in clusters:
Papillary
Describe the surface texture seen in this image:
Papillary
Surface texture may be described as: (6)
-smooth
-rough
-folded
-corrugated
-fissured
-papillary
Describe the surface texture seen in the following image:
Smooth
Describe the surface texture seen in the following image:
Rough
Describe the surface texture seen in the following image:
Folded
Clinical presentation of radiographic lesions may be categorized as: (3)
- radiolucent
- mixed
- radiopaque
Clinical presentation of mucosal & soft tissue lesions may categorized as: (8)
- colored
- white
- red
- red/white
- systemic hyperkeratosis- genodermatosis (+syndromes with it)
- soft tissue masses
- ulcers/vesiculo-erosive
- papillary
Once you have a list of differential diagnosis what might you do? (5):
- alter environment
- observe (not active neglect)
- treat
- biopsy
- refer
All a differential diagnosis is:
an educated guess
What is the take home message of differential diagnosis?
Recognition and Action are the most important