“…Ludman (1964) suggested that jnidline granuloma might be a basic immune type of tissue response to differing pathological stimuli, which in some cases might be a neo-_plasm. Whatever the nature of the relationship it may be a cause of difficulty for the clinician, not least because of the view that the correct treatment for midline granuloma is radiotherapy giving approximately 1,000 rads in five weeks (Glass, 1955;Howells, 1955;Dickson, i960), while the correct treatment for localized reticulum cell sarcoma is radiotherapy in much higher dosage. The histology reports in these patients were provided by the Bland-Sutton Institute of Pathology, and in the interests of ensuring that this is truly a homogeneous group of tumours all the slides have been reviewed by Dr. D. A. Brew.…”