Clinical Presentation

Florence Poli, Gregor B.E. Jemec, Jean Revuz

3.1 I ntroduction 11

3.2 I ndividual Lesions 12

3.2.1 Primary (Early) Lesions 12

3.2.2 Secondary Lesions 13

3.2.3 Tertiary Lesions 14

3.2.3.1 Comedones 15

3.2.4 Other Lesions 15

3.3 Topography 16

3.3.1 Involved Areas 16

3.3.1.2 The Two Less Frequently

Involved Zones 17

3.3.2

Atypical Localizations -

Other Zones May Be Involved . . . .

17

3.3.3

Distribution of Lesions

18

3.4

Evolution of the Disease

and its Severity

19

3.4.1

Age at Onset and Resolution

19

3.5

Clinical Course

19

3.5.1

Intermittent/Benign Course

of the Disease

20

3.5.2

Intermediate Course of the Disease .

. 20

3.5.3

Continuous Disease:

Moderate, Severe

20

3.6

Severity Indexes

21

3.6.1

Hurley's Clinical Staging [2]

21

3.6.2

Sartorius [9]

21

3.7

Diagnosis

22

3.7.1

Diagnostic Criteria

22

3.7.2

Delay in Diagnosis

22

3.7.3

Differential Diagnoses

23

References

Pathology of Hidradenitis Suppurativa

Alison Layton

4.1 I ntroduction 25

4.2 Glandular Elements of the Skin . . .26

4.2.1 Sebaceous Glands and the Pilosebaceous Unit 26

4.2.2 Apocrine Glands 27

4.2.3 Eccrine Glands 27

4.2.4 Apoeccrine Glands 27

4.3 Histological Appearance of HS ... 27

4.3.1 Early Lesions 27

4.3.2 Established Hidradenitis Suppurativa 28

4.4 Immunohistochemistry of Hidradenitis Suppurativa 30

4.6 Comparison with Other Disorders . 31

4.6.1 Fox-Fordyce Disease 31

4.6.3 Follicular Occlusion Triad 31

4.6.4 Pilonidal Sinus 31

4.6.5 Crohn's Disease 32

4.7 Conclusions 32

Acknowledgements 33

References 33

Chapter 5 Imaging

Ximena Wortsman, Gregor B.E. Jemec

5.1 I ntroduction 34

5.2 Ultrasound 34

5.3 Magnetic Resonance Imaging (MRI) 36

5.4 X-Ray Examination 36

5.5 Discussion 36

References 37

Chapter 6

How To Reduce Acne Scarring

How To Reduce Acne Scarring

Acne is a name that is famous in its own right, but for all of the wrong reasons. Most teenagers know, and dread, the very word, as it so prevalently wrecks havoc on their faces throughout their adolescent years.

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