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this is a CBC report diagnose it and tell me everything about it
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I now have sufficient information to provide a thorough analysis. Here is the complete diagnostic interpretation of Swati Vishwakarma's CBC + Widal report:
CBC + Widal Report Analysis - Swati Vishwakarma, 32F (18/07/2026)
COMPLETE BLOOD COUNT - Parameter-by-Parameter Breakdown
| Parameter | Patient Value | Normal Range | Status |
|---|---|---|---|
| Haemoglobin | 11.5 gm% | Female: 11-16 gm% | Low-normal (borderline) |
| TLC | 7,800/cu.mm | 4,000-11,000/cu.mm | Normal |
| Neutrophils | 75% | 50-70% | HIGH |
| Lymphocytes | 18% | 20-40% | LOW |
| Eosinophils | 05% | 1-6% | Normal |
| Monocytes | 02% | 2-8% | Normal |
| Basophils | 00% | 0-1% | Normal |
| Platelets | 2.10 Lacs/cu.mm | 1.5-4.0 Lacs/cu.mm | Normal |
| PCV | 32.1% | 34-56% | LOW |
| RBC | 3.42 million/cu.mm | 3.82-5.5 million/cu.mm | LOW |
| MCV | 93.8 fl | 86-100 fl | Normal |
| MCH | 33.5 pg | 22-32 pg | HIGH |
| MCHC | 35.7% | 32-36% | Normal (upper end) |
| RDW | 15.4% | 11.5-14.5% | HIGH |
DIAGNOSIS SUMMARY
Primary Diagnoses: Mild Normocytic Anemia with Anisocytosis + Reactive Neutrophilia with Relative Lymphopenia
1. ANEMIA - Normocytic Type
What's happening:
- Haemoglobin 11.5 gm% is at the absolute lower limit for women - technically borderline but combined with:
- Low PCV (32.1% vs normal 34-56%)
- Low RBC count (3.42 vs normal 3.82+ million)
- This constitutes mild anemia
Type of anemia - Normocytic (MCV 93.8 fl - normal size RBCs)
The MCV is normal, meaning red cells are of normal size. This points toward:
- Anemia of chronic disease/inflammation (most likely given the concurrent infection picture)
- Early mixed nutritional deficiency (iron + B12/folate together can "mask" each other, giving a normal MCV)
- Hemolytic anemia (less likely - no other supporting findings here)
The RDW is elevated at 15.4% (normal up to 14.5%) - this is important. An elevated RDW with normal MCV suggests:
- Anisocytosis (unequal RBC size), which is an early sign of nutritional deficiency (iron, B12, or folate) before MCV changes
- Mixed deficiency state (iron + folate/B12) - one pushes MCV up, the other down, netting a normal MCV but with high size variability
- As noted in Henry's Clinical Diagnosis and Management by Laboratory Methods: "Iron deficiency anemia is associated with an increased RDW, whereas thalassemia and anemia of chronic disease are associated with a normal RDW" - here RDW is raised, which leans away from pure anemia of chronic disease and toward a nutritional component
MCH is elevated at 33.5 pg (normal 22-32 pg) - slightly above normal, suggesting individual RBCs are carrying more hemoglobin per cell than expected. In a normocytic anemia context, this can be seen with early hemolysis or a mixed deficiency picture.
2. NEUTROPHILIA + RELATIVE LYMPHOPENIA
- Neutrophils 75% (elevated, normal 50-70%)
- Lymphocytes 18% (low, normal 20-40%)
This DLC pattern - neutrophilia with relative lymphopenia - is a classic reactive response to bacterial infection, physiologic stress, or inflammation. As per Henry's, neutrophilia is caused by:
- Bacterial infections (most common)
- Physical/physiologic stress
- Inflammatory states
- Steroids, surgery, tissue necrosis
The TLC (total white cells) is 7,800 - still within normal range - so this is a relative neutrophilia (shift in differential), not an absolute leukocytosis. This typically means the infection is subacute or resolving, not an acute overwhelming bacterial sepsis (which usually raises total WBC above 11,000 with a left shift).
3. WIDAL TEST - Negative (But Nuanced)
Result reads "Negative" overall, but the table shows:
| Antigen | 1/20 | 1/40 | 1/80 | 1/160 | 1/320 | 1/640 |
|---|---|---|---|---|---|---|
| S. typhi 'O' | + | + | + | - | - | - |
| S. typhi 'H' | + | + | - | - | - | - |
Interpretation:
- S. typhi 'O' is positive up to 1/80 titer
- S. typhi 'H' is positive up to 1/40 titer
- Titers of 1/160 or above for O antigen are generally considered diagnostically significant for typhoid in endemic areas (India)
- The current titers (O positive at 1/80, H at 1/40) are below the traditional cut-off of 1/160, hence the report correctly calls it "Negative"
- However, as stated in Park's Preventive and Social Medicine: "The test has only moderate sensitivity and specificity. It can be negative in up to 30% of culture-proven cases of typhoid fever - this may be because of prior antibiotic therapy that has blunted the antibody response."
- Low-level positivity can also result from past exposure, cross-reactions with other Salmonella serotypes, malaria, bacteremia from other organisms, or cirrhosis - these are false positives at low titers
- The pattern here (low-level S. typhi O and H positivity) in context of neutrophilia, mild anemia, and symptoms (if any) warrants clinical correlation
OVERALL CLINICAL PICTURE
Taken together, this CBC + Widal pattern in a 32-year-old woman is most consistent with:
- Active bacterial/viral infection or inflammatory state - neutrophilia + relative lymphopenia + mild anemia of inflammation
- Concurrent mild nutritional anemia (likely iron ± B12/folate deficiency) - evidenced by elevated RDW with borderline Hb and low RBC/PCV
- No evidence of typhoid fever - Widal titers are below the diagnostic threshold, though low-titer reactivity is present
RECOMMENDED FOLLOW-UP TESTS
| Test | Reason |
|---|---|
| Serum Ferritin + Serum Iron + TIBC | To rule out iron deficiency as cause of anemia |
| Serum Vitamin B12 + Folate levels | RDW elevation suggests possible mixed deficiency |
| Peripheral Blood Smear | To check RBC morphology (microcytes, hypochromia, ovalocytes) |
| Blood Culture | Gold standard if typhoid suspected - more reliable than Widal |
| CRP / ESR | Confirm inflammatory/infectious etiology |
| Repeat Widal after 7-10 days | A 4-fold rise in titer is more significant than a single reading |
IMPORTANT CLINICAL NOTE
This report analysis is for informational purposes only. The laboratory itself advises to "kindly correlate it clinically." A physician who can assess the patient's symptoms, examination findings, and clinical history must be consulted before any treatment decisions are made. The Widal test in particular has well-documented limitations - a diagnosis of typhoid fever should never be made on a single Widal test alone without clinical correlation and ideally blood culture confirmation.
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