Late scleroderma pattern

The late Cutolo scleroderma pattern is dominated by severe capillary loss, avascular areas, architectural disorganization and abnormal ramified or bushy loops. Typical giants and hemorrhages can be less prominent than in an active pattern.

Irregular, ramified loops in a field from the late-pattern reference study. The full study provides context for capillary loss and distribution.Late scleroderma pattern: disorganized loops

Irregular, ramified loops in a field from the late-pattern reference study. The full study provides context for capillary loss and distribution.

Gema María Lledó Ibáñez

Magnification:
212.3×
Device:
Dino-Lite Edge
Field of view (W × H):
≈ 1.84 × 1.47 mm
View the complete study

How to assess and measure

Quantify density in assessable distal-row segments and describe the extent of avascular areas, disorganization and abnormal shapes. Compare multiple fingers and distinguish true loss from poor visibility. A late pattern is an overall classification; some fields can retain giants or show relatively preserved architecture.

Interpretation and related diseases

Fewer giant capillaries do not necessarily mean less microvascular damage. The anti-U3 RNP case illustrates disagreement between an automated active classification and the final late-pattern interpretation. The inter-digit heterogeneity case shows why representative fields and the final report need to be read together.

Read the detailed clinical chapter

Common mistakes

  • Interpreting absence of many giants as a normal study.
  • Letting one preserved finger overrule marked damage elsewhere.
  • Treating a late pattern as proof of disease duration, inevitable progression or a specific organ complication.

Real images and comparisons

Captions distinguish the illustrated finding from the study interpretation. Comparisons include variants, other clinical contexts or artifacts where available.

200x capillaroscopy field from systemic sclerosis showing marked architectural disorganization and neoangiogenesis without megacapillariesLate scleroderma pattern with severe disorganization (field 1)

200x capillaroscopy image from a patient with systemic sclerosis showing a late pattern with marked disorganization and neoangiogenesis, without visible megacapillaries.

Miguel Antonio Mesa Navas

Magnification:
200×
Device:
Inspectis Digital Capillaroscope
Field of view (W × H):
≈ 1.68 × 1.26 mm
200x capillaroscopy field from systemic sclerosis showing severe architectural disorganization and neoangiogenesis without megacapillariesLate scleroderma pattern with severe disorganization (field 2)

Second 200x capillaroscopy image from systemic sclerosis with a late pattern, marked disorganization, and neoangiogenesis.

Miguel Antonio Mesa Navas

Magnification:
200×
Device:
Inspectis Digital Capillaroscope
Field of view (W × H):
≈ 1.68 × 1.26 mm
200x capillaroscopy field showing a broad capillary-free space compatible with an avascular areaExtensive avascular area

200x capillaroscopy image showing an extensive capillary-free space compatible with an avascular area.

Miguel Antonio Mesa Navas

Magnification:
200×
Device:
Inspectis Digital Capillaroscope
Field of view (W × H):
≈ 1.68 × 1.26 mm
Irregular enlarged loops in the anti-U3 RNP case. Although giants remain present, the final report classifies the overall microangiopathy as late.Anti-U3 RNP systemic sclerosis: irregular loops

Irregular enlarged loops in the anti-U3 RNP case. Although giants remain present, the final report classifies the overall microangiopathy as late.

Miguel Antonio Mesa Navas

Magnification:
250×
Device:
Smart G-Scope
Field of view (W × H):
≈ 2.39 × 1.34 mm
View the complete study
A disorganized field with enlarged loops and surface reflections from the inter-digit heterogeneity case. Other fields differ markedly; inspect the full study and its image-quality caveats.Inter-digit heterogeneity: selected abnormal field

A disorganized field with enlarged loops and surface reflections from the inter-digit heterogeneity case. Other fields differ markedly; inspect the full study and its image-quality caveats.

Miguel Antonio Mesa Navas

Magnification:
250×
Device:
Smart G-Scope
Field of view (W × H):
≈ 2.32 × 1.31 mm
View the complete study

Complete cases and studies

Late SSc Cutolo Pattern: Representative Case

The study shows severe capillary rarefaction, avascular areas, disorganization, and ramified or highly abnormal capillaries.

Gema María Lledó Ibáñez

Systemic Sclerosis with anti-U3 RNP: Late Microangiopathy

There is marked capillary loss (4.9/mm), architectural disorganization, frequent dilations, giant capillaries in 14.9% of capillaries, and abnormal or ramified forms. This pattern was classified by the CAPI-Detect algorithm as active; however, due to the frequent features characteristic of late-stage involvement, it was ultimately classified as such in the final report.

Miguel Antonio Mesa Navas

Anticentromere-Positive Systemic Sclerosis with Inter-Digit Pattern Heterogeneity

The study is notable for pronounced inter-digit and inter-field heterogeneity. L4C shows marked capillary loss (desertification), whereas L4A has relatively preserved, normal-appearing architecture. R2C and L3D show giant capillaries within a disorganized architecture. R4A demonstrates late-stage revascularization or neoangiogenesis—a morphology the contributor describes as a "post-late" pattern—while R5A shows transitional active-to-late features. The complete study is classified as a late scleroderma pattern, with a mean capillary density of 5.63/mm, enlarged capillaries in 43.5%, and giant capillaries in 2.5%. Image quality is variable; several fields are technically limited and should not be interpreted in isolation.

Miguel Antonio Mesa Navas

References

  1. Smith V, et al. Standardisation of nailfold capillaroscopy for the assessment of patients with Raynaud’s phenomenon and systemic sclerosis. Autoimmun Rev. 2020;19:102458.
  2. Cutolo M, et al. Nailfold videocapillaroscopy assessment of microvascular damage in systemic sclerosis. J Rheumatol. 2000;27:155–160.
  3. Ingegnoli F, et al. Reporting items for capillaroscopy in clinical research on musculoskeletal diseases: a systematic review and international Delphi consensus. Rheumatology. 2021;60:1410–1418.

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