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Tissue Block Trim Loss Remainder Tool

A supplied block-thickness budget, without instructions for specimen preparation.

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Description

A supplied block-thickness budget, without instructions for specimen preparation.

Laboratory records distinguish specimen identity, sampling coverage, retained quantities, processing times, image scale, and measurement uncertainty. Areas, volumes, counts, and source-support flags measure different aspects of a record. A local calculation does not identify tissue or establish diagnostic adequacy.

A supplied block-thickness budget, without instructions for specimen preparation.

When to use this tool

Use Tissue Block Trim Loss Remainder when you need this specimen-record, sampling, processing-time, dimensional, or uncertainty calculation.

How to use the tool and how it works

  1. Enter initialThickness, trimLosses, sectionThickness. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read remainingThickness, sectionEquivalent. Use the output convention below.

For positive sectionThickness and nonnegative initialThickness and trimLosses whose sum<=initialThickness return remainingThickness=initial-sum(losses) and sectionEquivalent=remaining/sectionThickness.1

Input fieldMeaning and unitsAccepted input
initialThicknessInitial ThicknessRequired. Finite number; minimum 0.
trimLossesTrim LossesRequired. Array of finite number; maximum items 256.
sectionThicknessSection ThicknessRequired. Finite number; strictly above 0.
Output fieldInterpretationReturned shape
remainingThicknessRemaining ThicknessRequired. Finite number.
sectionEquivalentFractional remaining thickness divided by section thickness; no integer rounding.Required. Finite number.
json
{
  "input": {
    "initialThickness": 100,
    "trimLosses": [
      10,
      20
    ],
    "sectionThickness": 5
  },
  "output": {
    "remainingThickness": 70,
    "sectionEquivalent": 14
  }
}

Limitations and assumptions

  • All thicknesses need one unit. SectionEquivalent is fractional rather than a rounded section count, and section yield, tissue deformation, blade loss, and clinical sampling adequacy are not predicted.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Signed zero is exported as zero.

Alternative or Complementary methods

Use validated laboratory procedures, traceable measurements, and authenticated specimen records for a complete assessment. Check the relevant sampling and processing assumptions before interpreting a local quantity.

References

  1. Calculation and input contract: pathology/tissue-block-trim-loss-remainder — tool.io

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