This book comprises a collection of categorized case-based questions, directed and meticulously selected to cover the most common and most important aspects of immunodeficiency diseases. Immunodeficiency disorders of infancy and childhood such as antibody deficiencies, phagocyte defects and defects in innate immunity are addressed among others. Each chapters starts with a brief of the initial presentation and lab data of the patient, followed by a series of 5-6 multiple choice questions (MCQs), leading the reader to the diagnosis and best of practice in a step-wise manner. This MCQ format along with precise, yet detailed answer ensures a quick, case-based, reality learning to the reader. This comprehensive MCQ series, is an essential reading material that a pediatric clinician, hematologist, immunologist, transplant specialist, or pulmonologist, can not afford to miss.

1.Introduction to Primary Immunodeficiencies

2. Workup of Recurrent Respiratory Infections and a Positive Family History
3. Pseudomonas Meningitis
4. Fever and Sleepiness
5. Recurrent Pneumonia
6. Developmental Regression
7. Recurrent Ear Infections and Pneumonia
8. Positive Urine Culture for Klebsiella pneumoniae
9. Brothers with Recurrent Sinopulmonary Infections and Chronic Lung Disease
10. Recurrent Infections and Arthritis
11. Initial Diagnosis of Neutropenia and Later Crohn's Disease
12. Diagnosis of "Sweat-Chloride Negative" Cystic Fibrosis
13. Diagnosis of Sarcoidosis
14. Refractory Crohn's disease
15. Asthma Which Was Not Asthma
16. Generalized Lymphadenopathy and Hypogammaglobulinemia after Abdominal Trauma
17. Weakness and Anemia
18. Normal Primary Care Workup for Recurrent Sinopulmonary Infections
19. Recurrent Sinusitis and Persistent Giardia Infection
20. Recurrent Respiratory Infections
21. SiblingsPresenting with Mild and Severe Lymphoproliferation
22. Non-Malignant Lymphoproliferation
23. Portal Hypertension and Progressive Lymphoproliferation
24. Recurrent Otitis and Upper Airway Obstruction
25. Recurrent Pneumonia
26. A Growing BCG Lesion
27. Respiratory Distress and hypoxemia
28. A Boy with Burdened Family History, Candidiasis and Diarrhea
29. Failure to Thrive
30. Recurrent Respiratory Infection and Hypereosinophilia
31. Neonatal Jaundice and Leukopenia, Microcephaly, Recurrent Infections and Failure to Thrive
33. Widespread Erythema and Skin Desquamation
34. Failure to Thrive, Rash and Fever
35. Autoimmune Cytopenia
36. Recurrent Respiratory Tract Infections
37. Protracted Diarrhea and Hypogammaglobulinemia
38. Gingivitis and Recurrent Tonsillitis
39. Respiratory Distress
40. Intestinal Cryptosporidiosis
41. Shortness of Breath
42. Pneumocystis jiroveciPneumonia without Failure to Thrive
43. Recurrent Infections and CNS Vasculitis
44. Recurrent Infections and Widespread Warts
45. Rash and Several Food Allergies
46. Sever Atopic Disease and Infections
47. Acute Mastoiditis
48. Chronic Papulovegetative Ulcer on Penis
49. Fever after DPT Vaccination
50. Recurrent Bronchiolitis
51. Oral Ulcers and Candidiasis
52. Neutropenia and Myelodysplasia
53. Loss of Appetite and Neutropenia
54. Delayed Umbilical Cord Separation
55. Recurrent Pneumonitis
56. Recurrent Sepsis, Leukocytosis and Bleeding Tendency
57. Maculopapular Rash on BCG Site
58. Recurrent Perianal Abscesses
59. Infected Hemangiomas
60. Recurrent Invasive Bacterial Infections
61. Cervical Lymphadenitis
62. Failure to Thrive and Nasal Obstruction
63. Inflammatory Bowel Disease and Frequent Skin Abscesses
64. Necrotizing Liver Granuloma
65. Constrictive Aspergillosis Pericarditis
66. Lung Abscess
67. Lethargy in a Toddler
68. Recurrent Cold Suppurative Granulomatous Lymphadenitis
69. Repetitive Fistulizing Lymphadenopathy and Hematochezia
Chapter 70. Twins with Recurrent Candida Infections
Chapter 71. Recurrent Stomatitis and Upper Respiratory Tract Infections
Chapter 72. Oral Thrush and Onychomycosis
Chapter 73. Oral Moniliasis and Failure to Thrive
Chapter 74. Refractory Oral Thrush
Chapter 75. Kidney Malformation and Persistent Neutropenia
Chapter 76. Severe Pancytopenia
Chapter 77. Silvery Hair
Chapter 78. Fever and Blonde Skin
Chapter 79. Probable Sepsis
Chapter 80. Skin Abscess and Blonde Hair
Chapter 81. Recurrent Infections and Easy Bruising
Chapter 82. Fever and Skin Eruption
Chapter 83. Cervical Lymphadenopathy and Nasopharyngeal Mass
Chapter 84. Lymphadenopathy and Splenomegaly
Chapter 85. Anemia and Neutropenia
Chapter 86. Hemolytic Anemia and Lymphadenopathy
Chapter 87. Recurrent Infections and Chronic Diarrhea
Chapter 88. Recurrent Infections, Cytopenias and Lung Disease
Chapter 89. Short Stature, Prolonged Feveran