Plaques, large, raised, and flat-topped areas on the skin. Psoriasis lesions are often plaques, appearing as thickened and scaly patches. Nodules, solid, raised lesions that extend deeper into the ...

Radiological features of these nodules are important in differentiating benign from malignant lesions. However, the etiology of the lung nodules frequently remains indeterminate and requires ...

there are widely separated nodules or abscesses that are connected to each other in what are called sinus tracts, which are like channels under the skin that connect one lesion with another and ...

Figure 1. The primary lesion is a papule. There is an erythematous nodule with slight scale and a few scattered papules at the boarder of the nodule. Seborrhea is a common condition of the scalp ...