Bacterial Infection on Leukoformula

Urethral Smear Microscopy: Detecting Neisseria gonorrhoeae

Fri, 15 May 2026 08:00:01 +0300

Today’s patient is a 34-year-old male. Urethral smear. Neisseria gonorrhoeae (gonorrhea) was detected, intracellular Gram-negative diplococci. They typically appear as a “swarm of bees” in a male smear.

Bacteremia in Peripheral Blood Smear in Sepsis

Wed, 18 Feb 2026 08:00:00 +0300

Patient from the emergency department. CBC: leukocytes - 2.02 (4.0-9.010^9/L), erythrocytes - 4.44 (3.8-5.710^{12/L), hemoglobin - 142 (117-173 g/L), platelets - 18 (150-400*10}9/L).

Intracellular and extracellular bacteria were found during blood smear microscopy. Procalcitonin - 84.6 (< 0.5 ng/mL).

Bacteria and Fungi in Blood Smears: Sepsis or Artifact?

Wed, 10 Dec 2025 12:00:01 +0300

🔍 Guess where the real threat lies?

☠ Normally, there should be NO bacteria and NO fungi in a blood smear. Their appearance is always an alarming signal or an error.

Neisseria gonorrhoeae in Urethral Smear: Microscopy

Wed, 18 Jun 2025 15:00:00 +0300

🔬 Urethral smear, 30-year-old male.

N.gonorrhoeae +, confirmed by molecular method.

🙏 The publication was kindly provided by clinical laboratory diagnostics physician Alena Azarenkova, St. Petersburg

Borrelia in Peripheral Blood Smear in Lyme Disease

Mon, 14 Aug 2023 17:42:02 +0300

🔬Lyme disease (tick-borne borreliosis). A case from a subscriber doctor from Israel🇮🇱.

✅We diagnose 2-3 cases per year, often as an incidental finding when examining a blood smear for thrombocytopenia (characteristic of this disease).