Monthly Cell Challenge #4 / 2025: 2-year-old with large blast-like cells
A 2-year-old girl went to a pediatrician with her parents because of unexplained fever, fatigue, weakness, weight loss and shortness of breath.
#3 / 2025: Furry Friend with coughing
A 6-year-old dog, adopted from a shelter in Spain, arrives with its owner to their local veterinarian in Germany because of fatigue, weight-loss, and coughing.
#2 / 2025: Child with atypical white blood cell granulation
A 9-year-old female presented to the pediatric emergency room with fever, weakness, bone pain, enlarged lymph nodes, shortness of breath and loss of appetite.
#1 / 2025: Child with lymphoblast on peripheral blood
A 9-year-old female presented to the pediatric emergency room with fever, weakness, bone pain, enlarged lymph nodes, shortness of breath and loss of appetite.
Monthly Cell Challenges from 2024
74-year-old male presented to the emergency department with weakness, shortness of breath, abdominal pain, and unexplained bruising.
A 47-year-old male with cough, fever, unexpected weight loss, pain, and generalized lymphadenopathy was seen by his primary caregiver. Routine labs were ordered.

4-year-old girl with fever, stuffy nose, inflamed tonsils with white spots, and swollen lymph nodes was seen by her pediatrician. A Monospot test was negative.
