Carbuncle Pictures - 18 Photos & Images
A carbuncle is a dome-shaped collection of boils that usually develops over the space of a few days. They most often occur on the back, thighs, or the back of the neck.
A fully grown carbuncle can be more than 10cm (4 inches) in size, and will leak pus from a number of points.
You may also have other symptoms, such as:
a high temperature of 38C (100.4F) or above
a general feeling of being unwell
feeling weak and exhausted Carbuncles are less common than boils and tend to occur mostly in middle-aged or older men in poor health or with a weakened immune system.