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A 19-year-old man has been diagnosed with classical Hodgkin lymphoma nodular sclerosis subtype after studying a left supraclavicular lymph node excisional biopsy.
He refers to having a fever higher than 38ºC and night sweats over the last two weeks. On physical examination he has enlarged bilateral supraclavicular and axillary lymph nodes.
Complete blood cell count shows:
A 12-year-old boy with an inherited bleeding disorder attends the Emergency Department with a large traumatic soft tissue hematoma. His platelet count is normal and his coagulation screen is as follows:
A 55-year-old man has been referred to you from the dermatology unit due to urticaria pigmentosa and high serum tryptase. You will perform a bone marrow exam due to suspicion of systemic mastocytosis.
A 22-year-old male patient was sent to the hematology clinic to clarify an absolute erythrocytosis with the following counts:
Red blood cell mass was increased. JAK2 exon 14 and 12 both were negative, and erythropoietin (EPO) level was within normal limits. In the blood gas analysis, P50 determination was low (22 mmHg; normal range 24–28 mmHg).
A 27-year-old man is diagnosed with normal karyotype AML. He is admitted to the hospital to start his first course of chemotherapy (DA 7+3, including daunorubicin and cytarabine). On the second day of treatment, the patient complains of swelling of his left arm, a red skin rash in the area and a burning sensation around his central venous catheter.
You suspect that the anthracycline might have extravasated.
A 27-year-old man was hospitalized due to fractures after a traffic incident. He also had blood loss and his hemoglobin went down to 95 g/L. His iron deposits are good and an increase in reticulocyte count is seen after 2 days.
