Overview.
Pulmonary Schistosoma Miyazaki is a lung disease caused by Schistosoma Miyazaki. People eat raw, pickled, drunken eating river shrimp containing Schistosoma lungis echinococcus, etc., contamination of the echinococcus is swallowed into the human body, by the action of digestive juices, the capsule wall rupture of the child worms escaped, through the intestinal wall into the lungs, destroying the lung tissues to form a worm cyst settlement.
Etiology
Schistosoma Miyazaki is the causative pathogen of the disease. Patients who have lived or traveled in areas where schistosomiasis is endemic, especially those with the ability to develop the disease by eating raw or uncooked stream crabs or laminaria or drinking contaminated stream water.
Symptoms.
The onset of the disease is about 1 month to 6 months from the time of eating crabs and shrimp in raw form. Patients first experience abdominal pain, followed by chest pain, cough, shortness of breath, chest tightness, and bloody sputum.
Examination
1. Laboratory examination
Peripheral blood test for eosinophils.
2. Other auxiliary examinations
X-ray chest film may show pleural effusion, pneumothorax, intrapulmonary shadow, pleural adhesion and enlarged heart shadow.
Diagnosis
1. According to clinical manifestations, chest pain and cough are the main symptoms of this disease.
2. There are mostly cavitary lesions in the lungs, and the lesions are polymorphic (round, oval, rectangular and polygonal).
3. Increased eosinophil count in peripheral blood.
Differential diagnosis
Differences with Weil’s pulmonary schistosomiasis include the following: ① chest pain and cough as the main symptoms of this disease, while the latter is characterized by hemoptysis and bloody sputum; ② chest radiographs show that this disease is characterized by intrapulmonary shadows, while the latter is characterized by pneumothorax and hydrothorax; ③ peripheral blood eosinophil counts are higher than 30% in most cases, and higher than 50%, or even up to 70%, in a few cases. Blood IgE value rises. The disease differs from Pneumocystis carinii in the presence of cavitary lesions in the lungs of the latter, polymorphic (round, elliptical, and irregular) and multilocular shapes.
Complications
Pleurisy, pneumothorax, lung abscess, etc. may be formed.
Treatment
Thiocolchicol is taken on day 1 and then every other day for a total of 15 times for 1 cycle, or 2 cycles of treatment may be used.
Prognosis
The disease can be completely cured with early diagnosis and early treatment. If there are more comorbidities, the prognosis is poor.