I-HUMAN CASE STUDY: ASSESSMENT OF A
SELF-DETECTED BREAST LUMP (PART 1, BASIC
DDX) – COMPREHENSIVE 2026/2027 UPDATED
GUIDE FOR GUARANTEED FIRST-ATTEMPT
SUCCESS
## 1. Case Study Overview
**Patient Demographics:**
- **Name:** Amanda R.
- **Age:** 42 years
- **Menopausal status:** Premenopausal (regular cycles, last menstrual
period 10 days ago)
- **Chief complaint:** *“I found a lump in my left breast while
showering last week. It doesn’t hurt, but I’m very worried.”*
- **Relevant history:** No prior breast lumps. No personal or family
history of breast or ovarian cancer. No hormone use.
- **Risk factors:** Age 42 (moderate risk), nulliparity, first pregnancy
>30 years (none), alcohol use (3–4 drinks/week).
**Presentation context:** This is **Part 1** of the i-Human case –
focused on **basic differential diagnosis, history-taking, risk
, 2|Page
assessment, and clinical decision-making**. Part 2 (advanced
imaging/biopsy) is not included here.
---
## 2. Key Subjective Data to Elicit (i-Human History Tab)
Use the **OLDCARTS + Risk Factor** framework. Enter these exactly
in i-Human for maximum points.
| Category | Question | Expected Patient Response |
|----------|----------|--------------------------|
| **Onset** | When did you first notice the lump? | 7 days ago, in the
shower |
| **Location** | Where exactly is it? | Left breast, upper outer quadrant |
| **Duration** | Has it changed since you found it? | No change in size
or consistency |
| **Characteristics** | Describe the lump. | Firm, movable, smooth
edges, no skin changes |
| **Aggravating** | Does anything make it worse? | Palpation; no
relation to menstrual cycle |
| **Relieving** | Does anything help? | None |
| **Treatments** | Have you tried anything? | No |
| **Severity** | Pain scale (0–10)? | 0 – painless |