circulation l. case number: 185 clinical: male aged 70 years.bcc immuno: pancytokeratin shows strong...

Circulation L

Case number: 185

Clinical: Male aged 70 years. ?BCC

Immuno: Pancytokeratin shows strong positivity in centre of lymphoid islands. EBV negative.

Most popular diagnosis

Lymphoepithelioma-like carcinoma

Case number: 186

Clinical: Male 44. Excision of irritated skin lesion behind right ear.

Specimen: Skin tag.

Macro: A grey polypoid fragment of skin 9x5x5mm.

Most popular diagnosis

Epithelioid haemangioma

Case number: 187

Female 65 yrs.

Extending atrophic white plaque left anterior iliac region.

Macro: Elliptical piece of skin 20x6x6mm.

Most popular diagnosis

Morphoea

Case number: 188

Female aged 62. ?Multiple cysts posterior neck.

Specimen: Punch biopsyMacro: 3x3x4mm punch biopsy.

Most popular diagnosis

Malignant, probably metastatic lobular breast 9.70

Case number: 189

Female aged 48 years. A.L.L. Had bone marrow transplant . Had susequent GvHD. Now thickened red, swollen skin ?Leukaemic infiltrate.

Positive for CD79a, CD20, CD10, CD34, TdT. Negative for CD2, CD3 and CD117.

Most popular diagnosis

B lymphoblastic lymphoma

Case number: 190

Male aged 21 years. Skin lesions from back ??melanoma . Macro: A large ellipse of skin 75x33x25mm

with a central area of depigmentation 37x25mm surrounded by slightly reddish periphery.

Most popular diagnosis

Morphoea

Case number: 191

Male aged 60 years.

Skin left popliteal fossa excision. Five week history of nodule on skin. No pus. Has some insect bites. ?insect bite reaction, ?keratoacanthoma versus SCC.

Macro: Skin biopsy 18x13x2mm in depth with a centrally raised slightly keatotic lesion 5mm in diameter.

Case number: 192

Female aged 64 years. Ultra sound 'vascular lump'.Specimen: Lesion right neck. ExcisionMacro: Skin ellipse 35x26mm with raised

smooth lesion 25x18x10mm.

Most popular diagnosis

Granular cell tumour

Case number: 193 Female aged 22 years. Pruritic papules and vesicles.IMF shows granular IgA in the dermal

papillae.Macro: Punch biopsy 4x4mm deep.

Most popular diagnosis

Dermatitis herpetiformis

Case number: 194 Male aged 88 years. 2-3 month history of mass on left thigh.

TTF-1 negative, CK7 negative, S100 negative. CK20 positive, Chromogranin positive, CD56

positive, Synaptophysin positive.

Ellipse of skin 80x10mm with 20mm depth bearing a pink nodule15mm dimension.

Most popular diagnosis

Merkel cell carcinoma