Pancytosis?

summary

Polycythemia: polycythemia is characterized by significant excess of red blood cell number, hemoglobin, hematocrit and total blood volume. In childhood, when the hemoglobin is more than 160g / L (16g / dl), the hematocrit is more than 55%, and the absolute value of red blood cell volume per kilogram of body weight is more than 35ml, the diagnosis can be made by excluding the relative increase of red blood cells caused by blood concentration caused by acute dehydration or burn. Pancytosis? Now let me tell you something.

Pancytosis?

Skin changes are characteristic. It is characterized by redness of the skin, especially in the face, neck and extremities. Mucosal congestion, light blue. Osler described the symptoms as "rosy in summer and indigo in winter.". Common telangiectasia, gingival bleeding and epistaxis. Cyanosis, purpura, ecchymosis, hemosiderin deposition, wine dregs and spoon shaped nails were also seen. 50% of the patients had watery pruritus. It can cause itching, burning or itching by bathing or shower. It usually lasts for 30-60min and has nothing to do with the water temperature. Itching that has nothing to do with water can also occur. Histamine increased in blood and skin.

Nervous system headache is the most common manifestation in 50% of patients. It can be accompanied by dizziness, vertigo, tinnitus, fatigue, forgetfulness, numbness and sweating. In severe cases, blind spot, diplopia and blurred vision may occur. Angina and intermittent claudication may also occur. A small number of patients with cerebrovascular accident as the first performance. The main symptoms in this group were vasodilation, slow blood stasis and tissue hypoxia caused by the increase of red blood cell count, whole blood volume and blood viscosity.

The incidence of bleeding is less than 10%, mainly due to vascular congestion, vascular intima damage, platelet factor 3 reduction, platelet dysfunction and abnormal coagulation mechanism. The common causes are epistaxis, gingival bleeding and ecchymosis on skin and mucous membrane. Can also show gastrointestinal bleeding, bleeding after tooth extraction, menstruation, etc.

matters needing attention

Patients must go to large hospitals for regular treatment, must actively cooperate with the doctor's treatment, usually must pay attention to personal hygiene, pay attention to rest, don't be too nervous, try not to eat spicy food, can eat more fresh fruits and vegetables.