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National Specialist Dermatopathology EQA Scheme Circulation K.

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Presentation on theme: "National Specialist Dermatopathology EQA Scheme Circulation K."— Presentation transcript:

1 National Specialist Dermatopathology EQA Scheme Circulation K

2 Case 165 Female aged 7 Female aged 7 Skin dorsum left foot Skin dorsum left foot

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12 Most popular diagnosis: Cellular blue naevus/benign combined naevus

13 Case 166 Female aged 58. Female aged year history of hyperkeratotic plaques on the scalp and face ? Darier's disease. 30 year history of hyperkeratotic plaques on the scalp and face ? Darier's disease.

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18 Most popular diagnosis: Darier’s disease

19 Case 167 Female aged 26. Blue naevus. Female aged 26. Blue naevus. Skin lesion right ear. Skin lesion right ear. Skin fragment 9 x 5 mm with a central dark lesion 5 x 5 mm. Skin fragment 9 x 5 mm with a central dark lesion 5 x 5 mm. Some, but not all, lesional cells HMB45 positive. Some, but not all, lesional cells HMB45 positive.

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29 Withdrawn from scoring Withdrawn from scoring

30 Case 168 Female aged 31. Female aged 31. Four week history of red plaques on thighs, feels hot ? Chilblains. Works outside washing cars in jeans. Four week history of red plaques on thighs, feels hot ? Chilblains. Works outside washing cars in jeans. Lesions appeared during cold weather & snow in Dec Lesions appeared during cold weather & snow in Dec Immuno : ANA negative. Immuno : ANA negative.

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35 Most popular diagnosis: Perniosis / cold panniculitis

36 Case 169 Female aged 79. Female aged 79. Psoriasiform rash on trunk and limbs. Psoriasiform rash on trunk and limbs.

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41 Most popular diagnosis: Psoriasis

42 Case 170 Male aged 70. Male aged 70. ? Bowen's disease. ? Bowen's disease. Specimen: Excision Specimen: Excision Immuno : Melan A (-), S100 (-), EMA (+), CK20 (-) Immuno : Melan A (-), S100 (-), EMA (+), CK20 (-)

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47 Most popular diagnosis: Paget’s disease

48 Case 171 Female aged 31. Female aged 31. Mole lower back - increased in size over 2-6 months. Mole lower back - increased in size over 2-6 months. Skin ellipse 23 x 13 x 5 mm. Surface bears a central variably pigmented lesion measuring 13 mm maximum with an irregular outline. Slightly raised one end Skin ellipse 23 x 13 x 5 mm. Surface bears a central variably pigmented lesion measuring 13 mm maximum with an irregular outline. Slightly raised one end

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58 Most popular diagnosis Benign compound naevus +/- with low grade dysplasia

59 Case 172 Female aged 61. Female aged 61. Raised papular plaque, left back Raised papular plaque, left back ? G. Annulare ? G. Annulare Macro: 6mm punch biopsy Macro: 6mm punch biopsy

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63 Most popular diagnosis: Granuloma annulare

64 Case 173 Female age 43. Female age 43. ?erythema nodosum, front of right leg. ?erythema nodosum, front of right leg. O/E raised red nodules over shins. O/E raised red nodules over shins. HIV positive. TB not proved on lymph node culture. HIV positive. TB not proved on lymph node culture. Previous biopsy showed similar features. Previous biopsy showed similar features. T-spot test positive T-spot test positive

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71 Most popular diagnosis: Erythema nodosum

72 Case 174 Male aged 64 years. Male aged 64 years. 8 mm warty lesion lateral aspect of right eyebrow of 10 years duration. 8 mm warty lesion lateral aspect of right eyebrow of 10 years duration.

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82 Most popular diagnosis: Syringocystadenoma papilliferum

83 The End! Thank you!


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