Archive puzzle

Doctordle #90

Blood in urine with flank mass clue

OncologyHard

Replay this case

Try the archived puzzle interactively, then compare your result with the static case notes below.

Case notes

Sourced case summary

Open the full case notes after playing. The text is also rendered in the page HTML so search engines can understand the archived puzzle.

Case summary

This archived Doctordle case was published on 2026-06-29. It presents "Blood in urine with flank mass clue" as a Hard Oncology puzzle. The final answer is Kidney Cancer.

Answer

Kidney Cancer

Source

MedlinePlus

Topic pages verified on 2026-07-11

Information summarized from MedlinePlus.gov. MedlinePlus does not endorse Doctordle.

Six clues

  1. Clue 1

    A 63-year-old has blood in the urine.

  2. Clue 2

    A dull flank ache appears on one side.

  3. Clue 3

    Imaging finds a mass in this fictional case.

  4. Clue 4

    The affected organ filters blood and makes urine.

  5. Clue 5

    Weight loss and fever are nonspecific supporting clues.

  6. Clue 6

    The answer names the cancer by that organ.

Plain-language explanation

Kidney cancer starts in the kidneys. The puzzle uses blood in urine, flank symptoms, imaging context, and kidney function as educational clues.