Both form along the wall of the colon as a result of diverticulitis. Now sometimes there is an abscess in there that only comes out when you squeeze the woundyou can describe this as Purulent drainage expressed from wound. Abscess Medical Dictionary Paralyzed Man Diagnosis Initially the swelling is firm. . They are smaller and more superficial than subcutaneous abscesses. Furuncles boils are skin abscesses caused by staphylococcal infection which involve a hair follicle and surrounding tissue. Later as the abscess points the overlying skin becomes thin and feels fluctuant. Fluctuance can be described as a tense area of skin with a wave-like or boggy feeling upon palpation. Abscess Overview A skin abscess is a tender mass generally surrounded by a colored area from pink to deep red. TUMOR - A mass or lump that can be felt with the hand or seen with the naked eye. ABSCESS is special type of suppurative infla