A 5-year-old male presents with low-set ears, a fish-shaped mouth, and involuntary rapid muscular contraction.Laboratory testing reveals decreased calcium levels.Which of the following diagnosis is most likely?
A) B-lymphocyte deficiency
B) T-lymphocyte deficiency
C) Combined immunologic deficiency
D) Complement deficiency

Question

Quizplus · Accepted Answer

The symptoms and lab findings are suggestive of DiGeorge syndrome, which is characterized by T-lymphocyte deficiency due to thymic hypoplasia, leading to hypocalcemia and distinctive facial features.

A 5-Year-Old Male Presents with Low-Set Ears, a Fish-Shaped Mouth