Age: 68.0
Sex: M
Vaccine: COVID19, COVID19
Symptoms: Arachnoid cyst, Cardiac monitoring, Cerebrovascular accident, Computerised tomogram head, Scan brain
Clinical narrative: HIGH RIGHT ARACHNOID CYST; STROKE; This spontaneous report received from a patient concerned a 68 year old male. Initial information was processed along with additional information received from patient on 4-NOV-2021. The patient's height, and weight were not reported. The patient's past medical history included: left pyriform cancer, chemotherapy, and thyroid replacement, and concurrent conditions included: hypertension, glaucoma right eye, barrette's esophagus, renal insufficiency, GERD, penicillin allergy, and allergy to any drug that ends with mab. The patient experienced facial swelling when treated with celecoxib. The patient received covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, batch number: 180518 expiry: 25-MAY-2021) dose was not reported,1 total, administered on 08-MAR-2021 for prophylactic vaccination. The batch number was not reported and has been requested. Concomitant medications included acetylsalicylic acid, brimonidine, esomeprazole magnesium, and losartan.  On 31-MAR-2021 after 3 weeks of vaccination, the patient experienced a severe headache, he did not take anything for it and went to sleep. The next day, on 01-APR-2021, the patient reported headache was gone, but he noted that he was not sounding right, while he was talking on the phone with others and to neighbors. On 02-APR-2021, the patient was taken at emergency department (ER) by his wife who is a physician. The patient reported good speech and no headache at ER, but was not able to say the correct word for items, which was referred to aphasia. The patient underwent laboratory test scan of the head, which told the physician exactly where the problem was. The patient was not sure of the type of scan that was done at ER. The patient was diagnosed with a stroke. The patient was then admitted to hospital for 2 days. During the hospitalization patient underwent a CT (computed tomography) of the head (without contrast) that resulted as (1) interval development of peripheral lateral left frontal hypodensity, mild local mass effect, no significant adjacent white matter edema, most compatible with subacute infarct, consider contrast enhancement for further characterization. (2) Mild scattered supratentorial white matter hypodensities likely representing ischemic changes. (3) High right arachnoid cyst. The patient saw a cardiologist while in hospital, who ordered a 30 days cardiac monitoring, but monitor was malfunctioning and the patient was not able to contact the cardiologist to arrange for a replacement monitor/repeat testing. The patient was not aware of any treatments or medications he underwent during hospitalization, but was sent home with baby aspirin. On unspecified date in JUN or JUL-2021, the patient received training from a speech language pathologist. The patient reported he does not have residual speech problems. On unspecified date on AUG-2021, the patient visited neurologist once, who did not provide any additional care or treatment, but reordered the heart monitor testing. The patient underwent laboratory test cardiac monitoring for 30 days, that resulted nothing wrong as per him. The patient reported he had seen his physician several times, since hospitalization for monitoring after the stroke, and due to other health concerns.  The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The outcome of the stroke and high right arachnoid cyst was not reported. This report was serious (Hospitalization Caused / Prolonged). This case, from the same reporter is linked to 20211109968.; Sender's Comments: V0-20211110158-covid-19 vaccine ad26.cov2.s- Stroke, High right arachnoid cyst. This event(s) is considered unassessable. The event(s) has a compatible/suggestive temporal relationship, is unlabeled, and has unknown scientific plausibility. There is no information on any other factors potentially associated with the event(s).