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[10] [17] The fat deposited around the front of the neck is known as Madelung's collar or horse collar. [13] [5] Fat deposited on the back of the neck between the shoulder blades is known as a dorsocervical fat pad or buffalo hump. [13] [18] Fat deposited in the parotid region is known as hamster cheeks. [10]
Overweight female dogs are especially prone to developing these tumors, and most older or overweight dogs have at least one lipoma. [46] [47] In dogs, lipomas usually occur in the trunk or upper limbs. [45] They are also found less commonly in cattle and horses, and rarely in cats and pigs.
Nodules are small firm lumps usually greater than 1 cm in diameter, found in skin and other organs. [ 1 ] [ 2 ] If filled with fluid they are usually softer and referred to as cysts . [ 2 ] Smaller (less than 0.5 cm) raised soft tissue bumps may be termed papules .
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A noticeable lump in relation to an extremity may be the first presenting symptom. Multiple deformities can arise, namely coronal plane deformities around the knees, ankles, shoulders, elbows, and wrists. For example, genu valgum (knock knees), ankle valgus, ulnar bowing and shortening, and radial head subluxation are encountered.
It usually appears in adult life, and usually on the axilla, knee, ear, arm, scalp and the lower trunk. [3] In both multiple and solitary variants, the histopathology shows variable amounts of mature lipocytes within the dermis. Occasionally, there is an excessive fibrocollagenous tissue proliferation.
What it looks like: Mosquito bites present as small, puffy, round bumps that are lighter or redder than the surrounding skin. Bites often center around ankles, hairlines, and the backs of knees ...
Common. Dull or lackluster surface, and with church-spire-like projections of epidermal cells around collagen seen histologically. [2] [3] Stucco keratoses are often light brown to off-white, and are no larger than a few millimeters in diameter. They are often found on the distal tibia, ankle, and foot. [14] Clonal seborrheic keratosis