Introduction What does an annular granular pattern look like through the dermatoscope? In which lesions is this pattern seen in through the dermatoscope? Histological explanation
An annular granular pattern consists of grey or brown dots (granular) around follicular openings (annular) and is regarded as a characteristic of lentigo maligna. In descriptive terminology, it is known as 'grey dots arranged around follicular openings'.
Through the dermatoscope, an annular granular pattern is seen as:
Through the dermatoscope, an annular granular pattern may be seen in the following lesions:
In lichenoid keratosis, grey dots around the follicular openings tend to be coarse, regular and widespread, whereas in lentigo maligna they are much finer and focal.
Histologically, slate grey dots are due to melanin in melanophages.
