These bullae are usually itchy and reddish and occur minutes to days after intake of the offending drug. Apart from the above-motioned causes, some other possible causes of bullae are: Bacterial infections like impetigo. Frostbite. Sunburns, chemical burns, or thermal burns. Skin trauma.

2021/3/29 · Bullae: More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls that is full of fluid. Blisters on the skin are called bullae. In Latin a bulla (plural: bullae) was a "bubble, stud or knob." It referred to any rounded protrusion, particularly one that was hollow or cystic.

Bullae are large blisters or large blebs, which are fluid-filled sacs on the outer layer of your skin. Bullae form because of rubbing, heat, or diseases of the skin. They are most common on your hands and feet. Small skin blisters less than 5 mm in diameter are called vesicles. Bullae may break or the roof of the blister may become detached ...

Introduction to Bullous Diseases. Bullae are elevated, fluid-filled blisters ≥ 10 mm in diameter. Bullous Pemphigoid Bullous pemphigoid is a chronic autoimmune skin disorder resulting in generalized, pruritic, bullous lesions in older patients. Mucous membrane involvement is rare.

Hemorrhagic bullae are an example of dermatologic manifestation caused by variable etiologies. The life-threatening skin lesion usually is an external sign of a systemic or immune response stimulated by an infection, toxin, medication, or disease process. Although most patient with life-threatening skin lesion, such as hemorrhagic bullae, may ...

Pediatric Bullous Disease • Blisters- Fluid filled lesions on skin or mucous membranes –Vesicles <1cm (Hurwitz) –Bullae ≥1cm • Nikolsky sign –Spread of blister with lateral pressure • Asboe-Hansen sign –Spread of blister with perpendicular pressure Paller …

Dermatomal — lesions confined to one or more segments of skin innervated by a single spinal nerve ( dermatomes ). Extensor — involving extensor surfaces of limbs. Contrast with flexor surfaces. Flexural — related to flexion, or skin folds, such as the backs of knees, the armpits, the elbow creases and the groin.

A pustule is pus containing bubble often categorized according to whether or not they are related to hair follicles: - follicular - generally indicative of local infection. - folliculitis - superficial, generally multiple. - furuncle - deeper form of folliculitis. - carbuncle - …