Vascularity of Skin Lesions

Question 1

What diagnosis represents each of these vascular features?

a) Dotted or atypical or corkscrew or pink blush or polymorphous vessels
b) Comma shaped vessels
c) Hairpin vessels, with white halo
d) Irregular arborising vessels (thicker lesions)
e) Network of perifollicular vessels
f) Focal grouped glomerular vessels
g) Uniform red, blue or purple lacunes
h) Dilated linear and branched vessels
i) Red-blue lacunes within a tumour
j) Diffuse small glomerular vessels
k) Uniform globular vessels
l) Very few vessels are seen, or uniform fine linear vessels

Answer 1

a) Amelanotic melanoma
b) Benign melanocytic naevus
c) Seborrhoeic keratosis
d) Basal cell carcinoma
e) Actinic keratosis
f) Squamous cell carcinoma in situ (Bowen disease)
g) Haemangioma
h) Telangiectasia
i) Haemorrhage
j) Venous stasis
k) Psoriasis
l) Lichen planus

Question 2

Describe the vascular features and what diagnosis it may represent

Answer 2

Irregular Arborising vessels in a BCC

Question 3

Describe the vascular features and the characteristic name.

Answer 3

Dilated linear vessels-Telangiectasia

Question 4

Describe the vascular features and what diagnosis this may represent.

Answer 4

Comma shaped vessels in Benign melanocytic naevus.

Question 5

Describe the vascular features and the diagnosis this may represent

Answer 5

Paucity of vessels, typical of Lichen Planus

Question 6

Describe the vascular features of this lesion and what diagnosis it may represent

Answer 6

Network of Perifollicular vessels, typical of Actinic Keratosis on the face.

Question 7

Describe the vascular features of this lesion and the diagnosis it may represent

Answer 7

Red/blue lacune typical of Haemorrhage

Question 8

Describe the vascular features of this lesion and the diagnosis it may represent

Answer 8

Uniform small globular vessels typical of Psoriasis

Question 9

Describe the vascular features of this lesion and the diagnosis it may represent

Answer 9

Focal grouped glomerular vessels typical of SCC in situ (Bowen disease)

Question 10

Describe the vascular features of this lesion and the diagnosis it may represent

Answer 10

Pink blush present in Amelanotic melanoma

Question 11

What are two main dermoscopic features of haemangiomas and angiomas?

Answer 11

Widespread red-blue lacunes

Red-bluish-black homogeneous areas