. Diseases of the nervous system : for the general practitioner and student. position of the fingers. Whenan attempt is made to bring them together,only the first phalanges are approached, thelast two are separated. The head may be of normal size, butnot infrequently is enlarged (macrocephalia).Sometimes it resembles a hydrocephalichead. Other Symptoms.—The scapulae areshort. The pelvis is small. The muscula-ture on the contrary is well developed. Thegenitalia are normal in size and mentality in the majority of cases isnormal. In Maries cases, however, it wasdeficient. Pathogenesi
. Diseases of the nervous system : for the general practitioner and student. position of the fingers. Whenan attempt is made to bring them together,only the first phalanges are approached, thelast two are separated. The head may be of normal size, butnot infrequently is enlarged (macrocephalia).Sometimes it resembles a hydrocephalichead. Other Symptoms.—The scapulae areshort. The pelvis is small. The muscula-ture on the contrary is well developed. Thegenitalia are normal in size and mentality in the majority of cases isnormal. In Maries cases, however, it wasdeficient. Pathogenesis and Etiology.—Variousviews have been advanced as to the natureof achondroplasia. Some believe in a hereditary degenerativestate of the cartilages. According to othersa toxic material influences in some mannerthe nervous system, which in its turn pro-duces trophic disturbances of the the ductless glands are the sourceof the toxic material. Treatment.—Not much reliance can beplaced upon the administration of thyroidextract, which has been Fig. 166.—Achondroplasia.(Apert.) ADIPOSIS DOLOROSA It is characterized by deposits of fat in various portions of the deposits are painful upon pressure. ; The disease has been observed and described by clinicians undervarious names, but Dercum was the first to give this clinical entity thename of adiposis dolorosa. Symptoms.—Four main symptoms characterize the disease, viz. fat 37 578 ADIPOSIS DOLOROSA formation, pain, asthenia and psychic symptoms. The striking featureis the nodes of fat distributed all over the body. The deposition of fatmay be not only nodular, but also circumscribed diffuse or generalizeddiffuse. The nodular is the most common form. The extremities areparticularly involved. At first the bunches of fat are noticed in the lowerand upper extremities; the trunk is affected later, but the face, hands andfeet have been spared in all observed cases. When these nodes arecompressed
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnervous, bookyear1913
