HOOK EFFECT: A RARE PHENOMENON IN MOLAR PREGNANCY

Molar pregnancy with false negative urine hCG: the hook effect.

Urine pregnancy tests are widely used in emergency departments as the first screening test for patients of reproductive age presenting with gynaecological problems in order to rule out pregnancy. Conditions such as complete molar pregnancy, which produces large amounts of beta human chorionic gonadotropin (beta-hCG), may cause a false negative result due to an oversaturation of the assay system...

The “hook effect” causing a negative pregnancy test in a patient with an advanced molar pregnancy

•At high hCG levels in molar pregnancies, a "hook effect" can cause an artificially negative value.•Delay in diagnosis of a molar pregnancy due to the "hook effect" can lead to severe complications.•Suspicion of a molar pregnancy should be communicated so a diluted sample is used to quantify hCG.

Ectopic Molar Pregnancy: A Rare Entity

INTRODUCTION Ectopic molar pregnancy is a rare occurrence and consequently not often considered as a diagnostic possibility. In this article, an attempt was made to stress on the need for histopathological examination and follow up of every case of ectopic pregnancy. This was substantiated with the help of a case report. CASE PRESENTATION A 30-year-old gravida 4, para 3, pregnant woman with a...

ectopic molar pregnancy: a rare entity

introduction: ectopic molar pregnancy is a rare occurrence and consequently not often considered as a diagnostic possibility. in this article, an attempt was made to stress on the need for histopathological examination and follow up of every case of ectopic pregnancy. this was substantiated with the help of a case report. case presentation: a 30-year-old gravida 4, para 3, pregnant woman with a...

Is the fish-hook effect in hydrocyclones a real phenomenon?