About Thin Sections

Seven horizontal bars of swirling magenta, purple and orange light, staggered in width, centered on a plain black background.

The tissue was never the difficult part.

Thin Sections is a newsletter for histotechnologists, written from the bench.

Much of what gets published about histology speaks over the people who do it. Work on digital pathology, workload, IHC, and image analysis tends to address pathologists, imaging scientists, and laboratory directors. The tech who corrects a fixation problem, judges whether a section represents the block, and decides when a recut will cost more tissue than it returns rarely appears in that literature except as a pair of hands. This newsletter starts from the opposite place.

Every essay treats the work surface as a site of real reasoning. Embedding orientation, the instinct to pause before exhausting a block, the gap between a slide that looks clean and one that answers the question it was built for: these hold decisions the record seldom captures. Making that judgment visible is the whole point.

Readers run across the full range of experience, from techs still in their first year to those who have watched processing schedules and detection chemistries turn over several times. For the newer end of that range, these essays hold what usually arrives slowly and by chance: the reasoning a senior tech applies at the microtome or the control slide, written down where it can be read between runs. Clinical and pharma settings both belong here, since the pressures differ while the underlying craft holds steady. Terms go unexplained, the way they would between two techs sharing a cutting station.

Most of it runs serious, because the work is. Some of it does not. There is room here for the absurdities of the job too: the water bath that develops a personality, the pathologist preference that makes no sense until it suddenly does, the small comedies of a lab under pressure. A bench that only ever gets written about gravely is a bench no one would recognize.

The register is peer to peer. No vendor pitch, no productivity lecture, no romance about the job that anyone who has lived it would recognize as false. What shows up instead are essays that name things felt at the bench but rarely seen on the page.

Thin by design: short, dense, like the work it’s named for.


Author bio:

A histotechnologist with thirty years at the bench, first in clinical laboratories and now in pharmaceutical precision medicine pathology, where he develops and qualifies IHC assays for oncology programs. Certified HT (ASCP).


Start with The Hidden Judgement Work of Histotechs. Everything published so far is in the archive.


Thin Sections is written by Jerry Clarin, HT (ASCP). The views expressed are his own and do not represent any employer.