en Gynecology Gynecology گزارش مورد Case report <div> <p>A 28 years&rsquo; pregnant woman with 24 weeks&rsquo; gestational age referred with petechiae and purpura from previous day without any trauma. She had an occipital headache from last night<span dir="RTL">.</span> Overt petechial and purpuric lesions were seen in the mouth and skin. There was neither hepatosplenomegaly nor lymphadenopathy. She was conscious and oriented. The patient was febrile, anemic and thrombocytopenic with stable vital signs. All liver enzymes were elevated. Coagulation profile was normal. WBCs were normal. RBCs were reduced, and she had polychromatosis. Overt shistocytosis was seen. Platelets were significantly decreased<span dir="RTL">.</span> The first diagnosis was TTP. All necessary laboratory tests were done to rule out the secondary rheumatologic causes of TTP; which all were normal. Coombs tests were negative. ADAMTS 13 Ab was elevated. Fetal ultrasonography was normal<span dir="RTL">.</span></p> <p>Treatment started with plasmapheresis and corticosteroid. After treatment, platelets count begins elevated, and LDH decreased. The patient discharged with a good general condition and normal lab tests. She continued her pregnancy until term, and born a normal infant without any complication. She did not have a recurrence of TTP until September 2014.</p> </div> TTP, Pregnancy, Treatment 1 3 http://jbrms.medilam.ac.ir/browse.php?a_code=A-10-107-1&slc_lang=en&sid=1 Elham Naghshineh naghshineh@med.mui.ac.ir 10031947532846002526 10031947532846002526 No Department of Obstetrics/Gynecology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran Mehrdad Mostaghaci mehrdadmostaghaci@gmail.com 10031947532846002527 10031947532846002527 Yes Department of Occupational Medicine, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran