Latest

Learn how antibiotic-resistant UTI testing identifies ESBL, CRE, resistance genes, and antibiotic susceptibility, and how culture results guide treatment and follow-up.

Antibiotic-Resistant UTI Test: ESBL, CRE, Resistance Markers, and Culture Meaning

Learn what asymptomatic bacteriuria means, how a positive urine culture without UTI symptoms is interpreted, and when screening, treatment, or follow-up matters.

Asymptomatic Bacteriuria Test: Positive Culture Without Symptoms and When It Matters

Learn how bacteria in urine are interpreted using urinalysis, culture, colony count, symptoms, and sample quality, including when contamination or follow-up testing matters.

Bacteria in Urine Test: UTI, Contamination, Colony Count, and Culture Follow-Up

Learn how a catheter urine culture helps diagnose catheter-associated UTI, how samples are collected, and what colony counts, pyuria, resistance, and positive results mean.

Catheter Urine Culture Test: Catheter-Associated UTI and Culture Meaning

Learn how a chlamydia and gonorrhea urine NAAT works, how to collect first-catch urine, what positive or negative results mean, and when follow-up testing is needed.

Chlamydia and Gonorrhea Urine NAAT Test: STI Screening, Positive Result, and Meaning

Learn how to collect a clean-catch urine culture, reduce contamination, handle the sample correctly, and understand mixed flora, colony counts, repeat testing, and accurate results.

Clean-Catch Urine Culture Test: Sample Collection, Contamination, and Accurate Results

Diagnostics

Home Diagnostics Page 17

The Melan-A (MART-1) IHC test helps identify melanocytic differentiation. Learn what positive staining means, how it supports melanoma diagnosis, key panel markers, and major pitfalls.

Melan-A IHC Test: Melanoma Marker, Melanocytic Tumors, and Positive Staining

The MITF IHC test is a nuclear melanocytic marker used in melanoma diagnosis. Learn what positive staining means, how MITF compares with SOX10 and Melan-A, and its key limitations.

MITF IHC Test: Melanoma Marker, Melanocytic Tumor Diagnosis, and Positive Staining

The MUC1 IHC test detects a widely expressed epithelial mucin. Learn what positive staining means, normal versus tumor patterns, common carcinomas that express MUC1, and major limitations.

MUC1 IHC Test: Carcinoma Marker, Tumor Expression, and Staining Pattern

The MUC2 IHC test detects intestinal goblet-cell mucin. Learn what positive staining means in colorectal, appendiceal, pancreatic, and mucinous tumors and how MUC2 fits into IHC panels.

MUC2 IHC Test: GI Tumor Marker, Mucinous Cancer, and Intestinal Type

The MUC5AC IHC test detects gastric-type mucin in pancreatic, gastric, and other mucinous tumors. Learn what positive staining means, common patterns, uses, and limitations.

MUC5AC IHC Test: Pancreatic, Gastric, and Mucinous Tumor Marker

The MUM1/IRF4 IHC test helps identify activated B-cell and plasma-cell differentiation. Learn what positive staining means in DLBCL, myeloma, plasmablastic tumors, and other lymphomas.

MUM1 IHC Test: Lymphoma Marker, Plasma Cell Differentiation, and Positive Staining

Understand what a positive MyoD1 IHC stain means in rhabdomyosarcoma and sarcoma diagnosis, including nuclear staining, myogenin and desmin, MYOD1 mutation testing, and key limitations.

MyoD1 IHC Test: Rhabdomyosarcoma Marker, Sarcoma Diagnosis, and Positive Staining

Learn what positive myogenin IHC means in rhabdomyosarcoma, including nuclear staining, skeletal-muscle differentiation, subtype patterns, MyoD1 and desmin comparisons, and molecular testing limits.

Myogenin IHC Test: Rhabdomyosarcoma Marker, Skeletal Muscle Differentiation, and Positive Staining

Napsin A IHC Test: Lung Adenocarcinoma Marker, Tumor Origin, and Positive...

Learn what an OCT4 IHC test means, how nuclear OCT4 staining supports seminoma or embryonal carcinoma, and why marker panels are needed for diagnosis.

OCT4 IHC Test: Germ Cell Tumor Marker, Seminoma, Embryonal Carcinoma, and...

Learn what a p40 IHC test shows, why nuclear p40 supports squamous cell carcinoma, how it helps type lung tumors, and what positive or negative staining means.

p40 IHC Test: Squamous Cell Carcinoma Marker, Lung Tumor Typing, and...

Learn how p53 IHC is interpreted, what wild-type, overexpression, null, and cytoplasmic patterns mean, and how p53 helps classify tumors and infer TP53 status.

p53 IHC Test: Tumor Suppressor Marker, Abnormal Staining, and Cancer Subtype

Learn what p63 IHC staining means in squamous and urothelial cancer, how p63 highlights myoepithelial cells, and why p40 and other markers may be needed.

p63 IHC Test: Squamous Cell Cancer, Urothelial Cancer, Tumor Origin, and...

Learn what pancytokeratin IHC positive staining means, how broad keratin stains help identify carcinoma, and why additional markers are needed to determine tumor origin.

Pancytokeratin IHC Test: Epithelial Tumors, Carcinoma Marker, and Positive Staining

Learn how PAX5 IHC identifies B-cell lineage, what positive nuclear staining means in lymphoma, and why PAX5 must be interpreted with a full immunophenotypic panel.

PAX5 IHC Test: B-Cell Lymphoma Marker, B-Cell Lineage, and Tumor Classification

Learn what PAX8 IHC positive staining means and how PAX8 helps identify ovarian, kidney, and thyroid tumor origin when interpreted with a focused marker panel.

PAX8 IHC Test: Ovarian, Kidney, Thyroid Cancer Marker, and Tumor Origin

1...161718...137 Page 17 of 137