Dr Richard Carr

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PRP: Follicular Papules • Conical hyperkeratosis in follicular ostia • Adjacent hyperkeratosis • Foci of parafollicular parakeratosis • Uniform acanthosis with broad rete • Mild to Moderate perivascular lymphocytic dermal infiltrate
PRP: Establised Lesions • May be non-specific • “Spotty” parakeratosis* – Vertical and Horizontal planes • Focal or confluent hypergranulosis* • Thick suprapapillary plates, • Broad acanthotic rete, narrow dermal papillae • Dilated but not tortuous capillaries* • +/- Mild spongiosis with lyphocytes • No neutrophils* (unless infection) – Acantholysis +/- dyskeratosis • Mild to moderate perivascular lymphocytic +/- a few plasma cells and eosinophils
Page 1 and 2:
Histological Approach to the Diagno
Page 3 and 4:
•Definitions •General Approach
Page 5 and 6:
Definititions: Psoriasiform Epiderm
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Akerman: Algorithmic Approach • I
Page 9 and 10:
Diagnostic Approach to Inflammatory
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Diagnostic Approach to Inflammatory
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LEARNING POINTS Dermatologists rare
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Lever • Mutli-author has it’s d
Page 23 and 24:
Mckee & Calonje 4 th 2012 • Clini
Page 27 and 28:
Excoriation only...
Page 29 and 30:
Lichenification (Lichen Simplex Chr
Page 31 and 32:
Lichen Simplex Chronicus • Locali
Page 33 and 34:
Nodular Prurigo / Pseudoepithelioma
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F86 Left ankle lesion. Biopsy prove
Page 40 and 41:
Diagnosis Polypoid eccrine poroma w
Page 42 and 43:
Spongiotic Dermatoses 42
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Eczematous (Spongiotic) Dermatitis
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Eczematous (Spongiotic) Dermatitis:
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Subacute/Chronic Spongiotic Psorias
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M85. Raised annular patch with cent
Page 52 and 53:
Discoid (Nummular) Dermatitis • S
Page 54 and 55:
Acute spongiotic vesicular dermatos
Page 56 and 57:
Autosensitization (Id) Reaction •
Page 58 and 59:
Learning Points • Dermatologist u
Page 60 and 61:
Mounds of parakeratosis (with neutr
Page 62 and 63: Seborrhoeic Dermatitis 2 • Sharpl
Page 64 and 65: M63. Two year hx itchy rash. Improv
Page 66 and 67: RAC3257
Page 68 and 69: Multiple levels examined Serum extr
Page 70 and 71: Contact Dermatitis Suggested by his
Page 72 and 73: Other Conditions with • Pityriasi
Page 74 and 75: Layered parakeratosis with neutroph
Page 76 and 77: Diagnosis Dermatophytosis PAS
Page 78 and 79: Spongiotic: Variants 1. Eosinophili
Page 80 and 81: F80. Urticated blistering eruption,
Page 82 and 83: Neutrophilic Spongiosis • Irritan
Page 84 and 85: • PROBLEM • Psoriasis (Reiter
Page 86 and 87: Layered parakeratosis Increased & m
Page 88 and 89: F57. Trunk. Generalised pustular ra
Page 90 and 91: Generalised (eruptive / pustular)
Page 92 and 93: F61. Hip. Small areas of itchy red
Page 94 and 95: Not suggestive or eczematous or DH
Page 96 and 97: Psoriasis Early • Parakeratotic m
Page 98 and 99: Layered parakeratosis Absent granul
Page 100 and 101: Psoriasis v’s Eczematous Acral /
Page 102 and 103: RAC2963
Page 104 and 105: Diagnosis Chronic hyperplastic muco
Page 106 and 107: Psoriasis: Differential Diagnosis
Page 108 and 109: Focal parakeratosis Intact granular
Page 110 and 111: Pityriasis Rubra Pilaris • Burnin
Page 114 and 115: M65. Ankle. Chronic liver disease.
Page 116 and 117: “Marked hyper- and parakeratosis
Page 118 and 119: Acrodermatitis Enteropathica (Zinc
Page 120 and 121: Necrolytic Migratory Erythema Rev.
Page 122 and 123: Thank-You • Dr Phillip Mckee •
Page 124 and 125: • PAS for fungi Special Stains
Page 126 and 127: Immunos • Pan-keratin for macular
Page 128: Tips • Artefacts may dominate app
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Dr Richard Carr

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