Morphology Skin

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Morphology:How to describe what you see

Last updated July 16th, 2013

Basic Dermatology Curriculum


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Module Instructions

The followig module cotais a um!er

of !lue, uderlied terms which are

hyperli"ed to the dermatology glossary,

a illustrated iteracti#e guide to cliical

dermatology ad dermatopathology$

%e ecourage the learer to read all thehyperli"ed iformatio$
http://missinglink.ucsf.edu/lm/DermatologyGlossary/index.htmlhttp://missinglink.ucsf.edu/lm/DermatologyGlossary/index.html


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Goals and Objectives

The purpose of this module is lear how to

!est descri!e s"i lesios

&fter completig this module, the learer

will !e a!le to'( De#elop a systematic approach to descri!ig

s"i eruptios

( )tili*e the appropriate terms to descri!emorphology


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Morphology

The word morphologyis used !y dermatologists to

descri!e the form ad structure of s"i lesios

The morphologic characteristics of s"i lesios are

key elements in establishing the diagnosis adcommuicatig s"i fidigs

There are two steps i esta!lishig the morphology of

ay gi#e s"i coditio'

1$ Careful #isual ad tactile ispectio

2$ &pplicatio of correct descriptors

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Visual and Tactile Inspection

&ccumulate detailed iformatio a!out the#isual ad tactile aspects of the s"i fidigs

Be a!le to commuicate a accurate

descriptio so someoe o the other ed ofa phoe ca get a metal picture of whatyou see$

Question 1( -ow would you fill i the descriptio of the item

depicted o the e.t slide/


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Question 1

( -ow would youdescri!e the o!ect to

the right/

(Be as detailed as youca !e


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Question 1

This is a red, circular,

shinyo!ect with a

small invagination on

top. t measures 8

cm. t is i a white

backgroundad casts

a shadow$The shadow tells us it is

raised 4palpa!le5$


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Question 1

(This is a red, circular, shinyo!ect with a small

invagination on top. t measures 8 cm. t is i a white

backgroundad casts a shadow$

The a!o#e descriptio idetifies'1$7alpa!ility 4idicated !y shadow5

2$Color

3$8hape

+$Te.ture

$8i*e

6$Locatio


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( %e ha#e ust re#iewed careful #isual ispectio

( %e will ow defie the terms dermatologists use to descri!es"i lesios

( %e will the ha#e a series of cases for you to practicedescri!ig so you ca use the correct descriptors$

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Application o the correct

descriptors


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!rimary lesion" Macule

4L$ macula, :spot;5

& macule is flat< if you

ca feel it, the it is ota macule$

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#$amples o Macules

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!rimary lesion" !atch

7atches are flat !ut

larger tha macules

f it=s flat ad largertha 1 cm, it is a

patch

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http://missinglink.ucsf.edu/lm/DermatologyGlossary/patch.htmlhttp://missinglink.ucsf.edu/lm/DermatologyGlossary/patch.html


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#$amples o !atches

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!rimary lesion" !apule

4L$ papula, :pimple;5

7apules are raised

lesios less tha 1 cm t is caused !y a

proliferatio of cells i

epidermis or superficial

dermis

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#$amples o !apules

1
http://dermimages.med.jhmi.edu/images/warts_1_020710.jpg


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!rimary lesions" !la%ue

7la>ues ? 1 cm

( @ou ca feel them

( They cast a shadow withside lightig

t is also caused !y aproliferatio of cells i

epidermis or superficialdermis

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#$amples o !la%ues

1


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&odule

4L$ odulus, :small

"ot;5

t is caused !y aproliferatio of cells

ito the midAdeep

dermis

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#$amples o &odules

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#$amples o Vesicles


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!ustule

7us is made up

of leu"ocytes ad

a thi fluid calledliquorpuris4L$

:pus li>uid;5

8ee also furucle

ada!scess

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http://missinglink.ucsf.edu/lm/DermatologyGlossary/carbuncle_furuncle.htmlhttp://missinglink.ucsf.edu/lm/DermatologyGlossary/abscess.htmlhttp://missinglink.ucsf.edu/lm/DermatologyGlossary/abscess.htmlhttp://missinglink.ucsf.edu/lm/DermatologyGlossary/carbuncle_furuncle.html


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#rosion

rosiosare loss of part

or all of the epidermis

They may occur after a

#esicle forms ad the toppeels off

They weep ad !ecome

crusted

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http://missinglink.ucsf.edu/lm/DermatologyGlossary/erosion.htmlhttp://missinglink.ucsf.edu/lm/DermatologyGlossary/erosion.html


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'lcer

4L$ ulcus, :sore;5

)lcersare complete loss of the

epidermis i additio to part of the

dermis They ofte heal with scarrig

Morphology Skin

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